Issued Patents All Time
Showing 51–55 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5425680 | Snap-fit chain tensioner apparatus and method | — | 1995-06-20 |
| 5286234 | Chain tensioner apparatus | — | 1994-02-15 |
| 4921472 | Chain tensioner | — | 1990-05-01 |
| 4646112 | Electrographic stylus recording apparatus | Earl K. Hoyne, Charles K. Nordeen | 1987-02-24 |
| 4635074 | Electrographic stylus recording apparatus | — | 1987-01-06 |