Patents for B42F 13 - Filing appliances with means for engaging perforations or slots (4,768)
10/1991
10/30/1991EP0454063A1 Two-piece folder
10/29/1991US5060904 Multi-positionable support stand with movable center of gravity and article holding means
10/22/1991US5059051 Fastener device
10/22/1991US5058736 Notebook organizer including slidable element
10/16/1991EP0452291A1 Apparatus for locking paper binders
10/09/1991EP0450216A1 File folder
10/03/1991WO1991011333A3 A filing system including one or more removable ring mechanisms
09/1991
09/19/1991WO1991013768A2 Looseleaf binder
09/04/1991EP0444029A1 Multi-positionable document support stand and interlocking modular document holder
09/03/1991US5044807 Adjustable writing platform for a notebook
09/03/1991US5044594 Multi-positionable document support stand and interlocking modular document holder
08/1991
08/27/1991US5042841 Combined cover and storage compartment for a ring binder
08/21/1991EP0442845A1 Closing mechanism for filing device
08/13/1991US5040216 Photo album assembly and package
08/08/1991WO1991011333A2 A filing system including one or more removable ring mechanisms
08/07/1991EP0439708A2 Photo album assembly and package
08/06/1991US5037228 Single piece file clasp
08/06/1991US5036973 Kit for packing writing utensils, note pads and other accessories
08/01/1991DE4014423C1 Device for filing loose sheets etc. - has movably joined covers slightly larger than filled sheets which are joined by filing mechanism
07/1991
07/30/1991US5035526 Concealed rivet element and setting method for ring binder construction
07/24/1991EP0437652A1 Re-usable file
07/10/1991EP0436350A1 Photograph album attachment assembly
07/09/1991US5030027 Schedule and paperwork organizer
07/06/1991CA2031359A1 Photograph album attachment assembly
07/02/1991US5028160 Paper handling device
07/02/1991US5028159 Looseleaf binder
06/1991
06/27/1991WO1991008913A1 Fork-type loose leaf binder
06/27/1991WO1991008912A1 Ring-binder
06/04/1991US5020763 Multi-positionable support stand with movable center of gravity
05/1991
05/29/1991EP0428683A1 Binder locking ring mechanism with configured trigger
05/29/1991DE3939174A1 Document-file clamping mechanism - has baseplate with stepped holes for bottom ends of supporting bars
05/28/1991US5018896 Snap ring assembly
05/28/1991US5018895 Film stacker clip
05/25/1991CA2010301A1 Document support stand and lockable actuating keeper
05/22/1991CN2077371U Slot-clip type loose-leaf binder
05/14/1991US5015115 Interchangeable sheet album for photographs and cards
05/14/1991US5015011 Binder with observation window
05/08/1991EP0425545A1 Holder for filing devices
05/08/1991DE3934580A1 Document file locking device - forms beak-type opening at peak to facilitate use
05/08/1991CN2076484U Pillaret type loose-leaf binder for computer printing paper
05/08/1991CN1051142A Loose-leaf photo album structure
04/1991
04/30/1991US5011318 Paper binding fastener
04/24/1991CN1050847A Binder
04/23/1991CA1283337C Folder for paper sheets, especially electronic data processing paper sheets
04/18/1991WO1991004871A1 Device with ring binder
04/17/1991EP0422320A1 A binder
04/16/1991US5007758 File folder
04/14/1991CA2027436A1 Binder
04/04/1991WO1991004162A1 Paper fastener
03/1991
03/27/1991EP0305383B1 Self-loading binder
03/26/1991US5002417 Detachable photoalbum
03/26/1991US5002416 Cover spacer for binders
03/05/1991US4997208 Security binding
03/05/1991US4997207 Notebook cover restraining system and method of use
02/1991
02/27/1991CN2072020U Loose-leaf paper binder
02/26/1991US4995752 Ordering means for document files or the like
02/19/1991US4993861 File folder and method of manufacture
02/16/1991WO1991002655A1 End-reinforced bookbinding strip for impact resistance
02/12/1991US4991990 Photograph album attachment assembly
02/05/1991US4990017 Expandable double ring binder
01/1991
01/29/1991US4988229 Single hand notebook
01/24/1991DE3923166A1 Note-book or appointment diary - consists of loose-leaf file with blocks of pages separated by divider cards
01/22/1991CA1279341C Bookbinding strips and method of binding books
01/15/1991US4984925 Loose-leaf sheets
01/15/1991US4984924 Ring binder
01/09/1991EP0406552A2 Cartridge album, especially for stamps
01/01/1991US4981386 Notebook with internal easel stand
12/1990
12/25/1990US4979841 Member for sheet binding staple
11/1990
11/27/1990US4973085 End-reinforced bookbinding strip for impact resistance
11/20/1990US4971362 Prescription pad
11/15/1990WO1990013440A1 Improvements in or relating to ring binder mechanisms
11/15/1990WO1990013438A1 Folder
11/15/1990WO1990013437A1 Folder with holes for insertion in a file
11/09/1990WO1990013441A1 Binder locking ring mechanism with configured trigger
11/09/1990WO1990013439A1 Concealed rivet element and setting method for ring binder construction and the like
11/09/1990CA2032512A1 Binder locking ring mechanism with configured trigger
11/09/1990CA2032161A1 Concealed rivet element and setting method for ring binder construction and the like
11/08/1990DE3914750A1 Document file for papers up to defined format - is made from cardboard or plastics with folded flaps
11/08/1990DE3914749A1 Mappe mit abheftloechern Wallet with abheftloechern
11/08/1990DE3914329A1 Paste board enclosed on both sides with co-extruded composite film - with upper layer contg. polyethylene and lower layer contg. polymer with polar gps.
10/1990
10/31/1990DE3914328A1 Cardboard-plastic system for files, ring-binders, etc. - has cardboard blank with coat, sheath or pocket of 3-layer co-extruded plastic pref. joined by HF-welding
10/30/1990US4966486 Binder assembly
10/30/1990US4966485 Sliding clamp for a binder having flexible binding prongs
10/23/1990US4964746 Elastic clip with positioning means for positioning of perforations
10/16/1990US4962951 Book cover and note keeper system
10/09/1990US4961596 Binder pouch
09/1990
09/27/1990DE3908323A1 Apparatus for filing perforated documents
09/13/1990DE4007195A1 Hefteinrichtung Stapler
09/13/1990DE3907171A1 File
09/07/1990WO1990009894A1 Folder and ring elements for use therein
09/04/1990US4954003 Coupon organizer
08/1990
08/21/1990US4950097 File folder and method of manufacture
08/14/1990US4948286 Ordering means for document files or the like
07/1990
07/31/1990CA1272094A1 Binder
07/24/1990US4943177 Document organizer
07/24/1990CA1271970A1 Bookbinding strips and method of binding books
07/12/1990WO1990007429A1 Display folder with a detachable decorative design
07/11/1990EP0376972A1 A storage and filing means for photographic films
07/10/1990US4940353 Holder for paper-keeping bags
07/10/1990US4940352 Binding folder
1 ... 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48