Patents
Patents for B42F 1 - Sheets temporarily attached together without perforating; Means therefor (1,880)
07/1991
07/31/1991EP0438895A1 One-action paper clip
07/31/1991CN2081800U Attachment means
06/1991
06/11/1991US5022124 Clip device
05/1991
05/22/1991CN2077369U Stationery clip
04/1991
04/30/1991US5010629 Paper clip with vertical panel
04/24/1991CN2075588U Document folder box
04/23/1991US5008982 Clip
04/09/1991US5005796 Chart clip
04/06/1991WO1991004870A1 Material and operability optimizing paper clip
04/06/1991CA2066032A1 Material and operability optimizing paper clip
04/03/1991EP0420387A1 Filing binder
03/1991
03/13/1991CN2072905U Automatic paper hanging clip
03/05/1991US4996755 Clip driver
02/1991
02/20/1991CN2071578U Office u-paper-clip
02/15/1991CA2036451A1 Booklet assembly
02/12/1991US4991269 Clip
02/06/1991CN2070673U 长尾夹 Binder clips
01/1991
01/23/1991CN2069786U Automatic paper-clip
11/1990
11/07/1990CN2065143U Screw paper clip
11/06/1990US4967453 Resilient clip
11/06/1990US4967450 Novelty clip apparatus
10/1990
10/17/1990CN2063876U Full plastic document clip
09/1990
09/12/1990CN2061897U Clip without paper damage
08/1990
08/21/1990US4949435 Paper clip
08/14/1990US4947524 Resilient sheet-steel paper clip
07/1990
07/18/1990EP0378484A1 Device for the presentation of cards, particularly for flower pots or bouquets
06/1990
06/19/1990US4934304 Novelty clip
05/1990
05/29/1990US4928361 Paper clip
05/16/1990EP0367843A1 Resilient clip
05/01/1990US4920614 Clamping device
04/1990
04/24/1990US4918789 Tripod clip
04/10/1990US4914791 Plastic paper clip
02/1990
02/27/1990US4903376 Card holder
11/1989
11/23/1989DE3815767A1 File for individual sheets
11/08/1989CN2047224U Folder
09/1989
09/13/1989CN1035466A Clip board equipment
08/1989
08/30/1989CN2043554U Flathead paper-clip
08/02/1989CN2042012U Manual hanging-calendar binding machine with iron clamps
06/1989
06/20/1989US4840341 Clip and holder
06/06/1989US4836489 Paper holder
03/1989
03/09/1989WO1989001875A1 Clip for attaching sheets together
03/08/1989CN2033745U Convenient folder
03/02/1989DE3820626A1 Marking apparatus
02/1989
02/22/1989CN2032949U Toughness paper clip
02/15/1989CN2032543U Self-control paper-clip
02/07/1989US4802263 Device for clipping paper
02/01/1989CN2031770U Hanging multilayer paper clip
01/1989
01/11/1989CN2030544U 方便夹 Convenient clip
01/04/1989CN2030145U Colour antirust paper clip
10/1988
10/19/1988CN87102331A 夹子 Clip
09/1988
09/28/1988EP0271484A4 Cover binders and methods of use.
09/27/1988US4773131 Clamping device
08/1988
08/30/1988CA1241307A1 Hanger for necktie or similar article of clothing
08/17/1988EP0278081A2 A holder for one or more sheets of paper
08/16/1988US4763389 Clipboard structure
08/09/1988US4761862 Clip used for business
08/03/1988CN87215459U 方便铅笔盒 Convenient pencil case
08/03/1988CN87211987U Mosaic oppositely inserted clamp
07/1988
07/28/1988WO1988005388A1 Clip
07/27/1988CN87206931U Book type paper folder
07/13/1988EP0274085A2 Plastic paper clip
07/13/1988CN87213256U Concave paper clip
06/1988
06/30/1988WO1988004616A1 Paper-holder with a magnetic retaining device
06/29/1988CN87206898U Reading clip
06/28/1988CA1238474A1 Paper fastener
06/22/1988EP0271484A1 Cover binders and methods of use
06/15/1988CN87209417U Simply assembled multipurpose clip
05/1988
05/24/1988US4745662 Easily assembled clip
05/11/1988EP0266454A1 Binder
04/1988
04/26/1988US4739541 Clipboard mounted retainer for writing instruments and the like
04/19/1988US4738007 Clip for stacked sheets
02/1988
02/17/1988CN87201497U Clip
02/17/1988CN87201440U Book clip
02/02/1988US4722120 Spring clip
01/1988
01/20/1988EP0253154A2 Device for attaching paper
12/1987
12/03/1987WO1987007223A1 Cover binders and methods of use
12/02/1987CN87203912U Clamp with sucking disc
11/1987
11/17/1987US4706342 Paper clip
10/1987
10/31/1987CN86209977U Peg without tail
10/21/1987CN87202151U Easy-to-use clip
10/13/1987US4698930 Film holder
09/1987
09/29/1987US4696081 Clip resiliant
09/23/1987EP0238344A2 Retaining clip for use in business to hold sheets of paper or other material
09/23/1987CN86208151U Elastic loose-leaf binder
08/1987
08/25/1987US4688961 Combination clip
08/12/1987CN86206119U Integral plastic clip
07/1987
07/22/1987CN86208922U Paper clip
06/1987
06/30/1987US4675953 Money clip
05/1987
05/19/1987US4665594 Multi-purpose clip
05/07/1987DE3539281A1 Writing paper with self-adhesive sticking
05/06/1987EP0221006A2 Clamp
04/1987
04/21/1987US4658479 Organizer clip device and key holder
04/09/1987DE3535994A1 Device for clipping files together as a multiple clip
01/1987
01/28/1987CN86200598U Multitier spring clip
01/21/1987CN86205499U Fastener
01/21/1987CN86204626U Two-sided documents clip
12/1986
12/16/1986US4628572 Clip structure
12/03/1986CN86202703U Double-faced clip
11/1986
11/05/1986EP0187743A4 Paper fastener.
10/1986
10/29/1986CN86201078U Fixing clips for opened book
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