Patents per Year
Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6424481 | Five and one-quarter inch form factor combination DAT tape drive and cassette magazine loader | William Theobald, Kenneth C. Campbell, Roger M. Gray, Lyle J. Hedlund, Raymond D. Heistand, II +4 more | 2002-07-23 | |
| 5497056 | Method and system for controlling a motorized wheelchair using controlled braking and incremental discrete speeds | Marvin Kurland, David L. Martin, Eric Z. Riffl | 1996-03-05 | |
| 5402285 | Five and one-quarter inch form factor combination DAT tape drive and cassette magazine loader | William I. Theobald, Jr., Kenneth C. Campbell, Roger M. Gray, Lyle J. Hedlund, Raymond D. Heistand, II +4 more | 1995-03-28 | $1,787,000 |
| 5088987 | Syringe | — | 1992-02-18 | |
| 4915700 | Syringe | — | 1990-04-10 |