Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D401872 | Dual positional sensor device | — | 1998-12-01 |
| 5194008 | Subliminal image modulation projection and detection system and method | Samuel P. Willits, Steven V. Pawlowski | 1993-03-16 |
| 4912317 | Pitch match detecting and counting system with tilted optical axis | Thomas E. Kleeman, Paul Ridl | 1990-03-27 |
| 4827140 | Pseudo sensor pitch match cyclic scanning system | — | 1989-05-02 |
| 4809188 | Strip feeding and control system | Samuel P. Willits, Thomas E. Kleeman | 1989-02-28 |
| 4771443 | Pitch match detecting and counting system | Thomas E. Kleeman, Paul Ridl | 1988-09-13 |
| 4576262 | Method and apparatus for operating a magnetic clutch | Samuel P. Willits | 1986-03-18 |
| 4542470 | Frequency determining and lock-on system | Samuel P. Willits | 1985-09-17 |
| 4373135 | Pitch matching detecting and counting system | Samuel P. Willits, Thomas E. Kleeman | 1983-02-08 |