Patents
Patents for B42F 3 - Sheets temporarily attached together involving perforations; Means therefor; Sheet details therefor (1,632)
09/1990
09/12/1990CN2061895U Linkage stitching machine
08/1990
08/28/1990US4952091 Greeting card
05/1990
05/03/1990WO1990004523A1 Filing devices
04/1990
04/10/1990CA1267580A1 Arrangement for holding and filing documents, papers and the like
04/04/1990EP0362046A1 Stapleless stapler
03/1990
03/07/1990CN2053979U Loose-leaf of photograph album
02/1990
02/13/1990US4900211 Apparatus for binding materials using a curled-finger ring-type binder
02/07/1990CN2052346U Stapler for temporary stapling
01/1990
01/23/1990CA1264637A1 Sheet lifter for loose leaf ring binders and method of installing sheet lifters in loose leaf ring binders
12/1989
12/27/1989EP0348022A1 Fastener for releasably securing together a plurality of sheet or plate members e.g. printing plates
10/1989
10/04/1989CN2045356U 多功能订书机 Multifunction stapler
08/1989
08/01/1989US4853268 Binding hole reinforcement, method and apparatus
07/1989
07/26/1989CN2041624U Shuttle stapler with dual head distance-adjusting
07/05/1989CN2040437U Construction of handy bookbinding machine
06/1989
06/14/1989CN2039264U Plastic loose-leaf binder
06/13/1989CA1255567A1 Sliding clamp for a binder having flexible binding prongs
05/1989
05/31/1989CN2038331U Stationery box with stapler
05/17/1989CN2037563U Miniature dual-purpose utensil used as both nail clipper and stapling machine
05/03/1989CN2036896U Clipping device for paper
04/1989
04/19/1989CN2036110U Stapler
04/19/1989CN2036109U Electric punch for binding documents
04/18/1989US4822446 Apparatus for reinforcing binding holes
04/11/1989US4820072 Note-book
04/05/1989EP0309732A2 Large sized arc-shaped foldable article, especially tracing, according to Din 824
03/1989
03/15/1989EP0208736B1 Apparatus for the application of a strip along the side edges of a sheet
02/1989
02/16/1989DE3725370C1 Set of forms
02/15/1989EP0303549A1 Device for fixing a perforated adhesive strip on the edge of a sheet
02/15/1989CN2032544U Softness binding column
01/1989
01/18/1989CN2030941U Bookbinding machine
12/1988
12/21/1988CN88212821U Stapler providing staples for itself
12/20/1988US4792253 Binder ring having slip-on folio stops
12/13/1988US4790680 Fastener structure for files and multi-purpose clip for use therewith
11/1988
11/09/1988CN87217162U Table sheets unit for observing
09/1988
09/07/1988CN87212540U Multi-fuction book sewer
07/1988
07/27/1988EP0275912A2 Note-book
07/27/1988CN87206931U Book type paper folder
07/21/1988DE3719452C1 Device for bonding an edge reinforcement onto the filing edge of a sheet to be filed in a folder
07/20/1988EP0275049A2 Fastener structure for files and multi-purpose clip for use therewith
06/1988
06/15/1988EP0175779B1 Device for filing documents
06/01/1988CN87211488U Lever pressurized stapler
05/1988
05/24/1988CA1237154A1 Periodical information storage and retrieval system
03/1988
03/22/1988CA1234322A1 Carrier for hinged support of pages
03/10/1988DE3629502A1 Retaining rings for a stack of sheets
02/1988
02/17/1988CN87204813U 电动订书机 Electric stapler
02/10/1988CN86207361U New-type paper-binding clip
02/02/1988US4722627 Clip-on paper holding system
01/1988
01/06/1988CN86104428A 多头订书机 Long stapler
12/1987
12/30/1987CN87207606U Filing holder of magazines
12/22/1987US4714366 Loose-leaf document binder
12/08/1987CA1230041A1 Cycle seat
12/03/1987DE3625024C1 Apparatus for fixing the flexible sequence arrangement elements of a file for storing continuous lists
12/01/1987US4710084 Apparatus for the application of a strip along the side edges of a sheet
10/1987
10/07/1987CN86210106U Automatic punch and binding machine for books and bills
09/1987
09/16/1987CN86206683U Binding tool for archives
08/1987
08/12/1987CN86204213U Multiple stapler
08/04/1987US4684433 Slitter tape applicator
08/04/1987US4684028 Arrangement for record filing
07/1987
07/21/1987US4681474 Arrangement for holding and filing documents, papers and the like
07/21/1987US4681473 Loose-leaf binder for stacks of sheets
07/15/1987CN86201793U Improved stapler
05/1987
05/19/1987US4666752 Drafting paper
05/05/1987US4662770 Pressure sensitive reinforcement tape for loose leaf sheet
03/1987
03/31/1987CA1219786A1 Ring mechanism
01/1987
01/21/1987EP0208736A1 Apparatus for the application of a strip along the side edges of a sheet.
10/1986
10/22/1986EP0198817A2 Device for joining sheets together
09/1986
09/16/1986US4611942 Sheet registration means
09/16/1986CA1211361A1 Curl free reinforced paper sheet technique
08/1986
08/19/1986CA1209871A1 Sheet lifter with pocket
07/1986
07/17/1986WO1986004026A1 Apparatus for the application of a strip along the side edges of a sheet
07/01/1986US4597139 Large capacity paper clip
06/1986
06/25/1986EP0185634A2 An arrangement for holding and filing documents, papers and the like
06/24/1986US4596407 Periodical information storage and retrieval system
05/1986
05/07/1986CN85202563U Book clip
04/1986
04/02/1986EP0175779A1 Device for filing documents.
03/1986
03/25/1986US4577985 Ring binder
03/25/1986US4577889 Bag book
03/13/1986WO1986001462A1 Periodical information storage and retrieval system
01/1986
01/15/1986EP0167965A2 Drawing paper
12/1985
12/31/1985US4561794 Folder for papers
11/1985
11/12/1985US4552478 Ring mechanism
11/05/1985US4551039 Binder assembly with randomly removable leaves
10/1985
10/16/1985EP0158002A1 Apparatus for connecting flat materials together
10/15/1985US4547091 File fasteners
10/10/1985WO1985004374A1 Device for filing documents
07/1985
07/09/1985US4528056 Curl free reinforced paper sheet technique
07/09/1985US4527923 Looseleaf binder for computer paper
07/02/1985US4525899 Paper fastener
06/1985
06/25/1985US4525399 Perforated reinforcing strip for use with continuous forms
06/25/1985US4525237 Method of reinforcing loose-leaf sheets and disposable reinforcing tab applicator therefor
02/1985
02/19/1985US4500223 Carrier for hinged support of pages
12/1984
12/04/1984US4486112 Loose leaf binder
11/1984
11/28/1984EP0126080A1 Articles of stationery
10/1984
10/30/1984US4479733 Dual-function looseleaf binder sheets
03/1984
03/20/1984US4437838 Apparatus for preparing examinations
03/20/1984CA1163848A1 Apparatus for connecting together a plurality of webs of flexible material
03/01/1984WO1984000726A1 Articles of stationery
02/1984
02/22/1984EP0101274A2 Articles of stationery
02/14/1984US4431325 Reinforcement for corner mounting holes
02/14/1984US4431127 Apparatus for temporarily binding paper sheets
02/07/1984US4430015 Fastening means for making inserts in wire bound notebooks and the like
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