Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8499917 | Foreign object detector | — | 2013-08-06 |
| 7854046 | Microcreping traveling sheet material | J. Drew Horn, Richard C. Walton | 2010-12-21 |
| 7767058 | Non-woven wet wiping | Richard C. Walton, Drew Horn | 2010-08-03 |
| 7299910 | Clearance of coin jams in coin validators | — | 2007-11-27 |
| 6736519 | Perforated retroreflective film | — | 2004-05-18 |
| 6510936 | Coin validators | Adam Laws | 2003-01-28 |
| 6481857 | Perforated retroreflective film | — | 2002-11-19 |
| 6398287 | Retroreflective reinforcement webbing applied to an outer side of a tarpaulin | Richard Zanotti | 2002-06-04 |
| 6155689 | Perforated retroreflective film | — | 2000-12-05 |
| 5869894 | RF IC package | Yinon Degani, King Lien Tai | 1999-02-09 |
| 5689950 | Ion thruster with graphite accelerator grid | — | 1997-11-25 |
| 5676234 | Coin/token sorting method | Darren E. Beauchamp | 1997-10-14 |
| 5535872 | Coin/token separator | Darren E. Beauchamp | 1996-07-16 |
| 5476168 | Coin validator | Norman Raymond Malzard, Phillip A. Wolstencroft | 1995-12-19 |
| 5339623 | Singly fueled multiple thrusters simultaneously energized by a common power supply | — | 1994-08-23 |
| 5009357 | Joining of ceramic components to metal components | Derrick Baker, Walter G. Bugden | 1991-04-23 |
| 4912762 | Management of cryptographic keys | Stephen Lee | 1990-03-27 |
| 4849223 | Antimicrobial compositions consisting of metallic silver combined with titanium oxide or tantalum oxide | Allin S. Pratt | 1989-07-18 |
| 4802333 | Thrusters | — | 1989-02-07 |
| 4787579 | Gas thruster | — | 1988-11-29 |
| 4772293 | Manufacture of electrochemical cells | Walter G. Bugden | 1988-09-20 |
| 4731842 | Security module for an electronic funds transfer system | — | 1988-03-15 |
| 4641625 | Fuel control system | — | 1987-02-10 |
| 4507848 | Control of substrate injection in lateral bipolar transistors | — | 1985-04-02 |