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