Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5219309 | Inflatable amusement ring | — | 1993-06-15 |
| 5058940 | Automatic dead locking bolt assembly | — | 1991-10-22 |
| D319138 | Jumping shoe attachment | — | 1991-08-20 |
| 5020343 | Lockset having improved actuator | Theodore H. Miller | 1991-06-04 |
| 4945737 | Lockset assembly | — | 1990-08-07 |
| 4876804 | Jumping shoe | — | 1989-10-31 |
| 4746155 | Working trim for mortise lock | — | 1988-05-24 |
| 4707934 | Jumping shoe attachment | — | 1987-11-24 |
| 4635453 | Lock set | — | 1987-01-13 |
| 4594864 | Lockset assembly | — | 1986-06-17 |
| 4384648 | Easy mount picture package | Mark L. Hart | 1983-05-24 |
| 4336884 | Easy mount picture package | Mark L. Hart | 1982-06-29 |
| 4236396 | Retrofit lock | Walter E. Surko, Jr. | 1980-12-02 |