Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5520592 | Balanced force anti-spin friction drive | — | 1996-05-28 |
| 5394218 | Focusing aid for copying cameras | Gladys Rabinow | 1995-02-28 |
| 5269193 | Swash plate mechanism | — | 1993-12-14 |
| 4961333 | Key lock with transfer tumblers and master keying | — | 1990-10-09 |
| 4942749 | Interchangeable key lock with rolling tumblers | — | 1990-07-24 |
| 4825672 | Key for flat tumblers | — | 1989-05-02 |
| 4796448 | Lock with reference plate | — | 1989-01-10 |
| 4796447 | Lock with key isolation using transfer tumblers | — | 1989-01-10 |
| 4599877 | Key lock with key isolation | — | 1986-07-15 |
| 4531061 | Electrically settable escort memory | — | 1985-07-23 |
| 4485648 | Key lock with a flying sidebar | — | 1984-12-04 |
| 4284365 | Reflective lane marker for roadways | — | 1981-08-18 |
| 4199241 | Sound or vibration operated flash synchronizer for camera | — | 1980-04-22 |
| 4194126 | Escort memory using mirrors | — | 1980-03-18 |