Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D525539 | Digital timer | — | 2006-07-25 |
| 6267378 | Piece-bouncing game | — | 2001-07-31 |
| 5944461 | Postage meter yielding bar coded postage labels | — | 1999-08-31 |
| 5938141 | Holder for paper towel roll | — | 1999-08-17 |
| 5904283 | Note paper sheet dispenser | — | 1999-05-18 |
| 5901217 | Electronic telephone directory dialer module | — | 1999-05-04 |
| 5850126 | Screw-in led lamp | — | 1998-12-15 |
| 5649703 | Cubist puzzle cartridge | — | 1997-07-22 |
| 5604548 | Emergency lorgnette | — | 1997-02-18 |
| 5586763 | Siamese case for storing and playing two games | Edward De Bono | 1996-12-24 |
| 5411492 | Hypodermic needle protector | Martin F. Sturman, Robert J. Cohn, Albert Kolvites | 1995-05-02 |
| 5310061 | Word-puzzle game cartridge | — | 1994-05-10 |
| 5289522 | Dental X-ray aiming device | Albert Kolvites, Robert J. Cohn | 1994-02-22 |
| 5246427 | Safety hypodermic needle and shielding cap assembly | Martin F. Sturman, Robert J. Cohn, Albert Kolvites | 1993-09-21 |
| 5159258 | Rechargeable battery conditioner unit | Albert Kolvites | 1992-10-27 |
| 5151720 | Convertible swizzle stick | — | 1992-09-29 |
| 4962781 | Collapsible rolling cane | — | 1990-10-16 |
| 4775768 | Universal pin switch | — | 1988-10-04 |
| 4298200 | Tangram game assembly | — | 1981-11-03 |