Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D359333 | Masking unit for a bowling machine | — | 1995-06-13 |
| D359096 | Masking unit for a bowling machine | — | 1995-06-06 |
| D356357 | Masking unit for a bowling machine | — | 1995-03-14 |
| D355947 | Ball return rack | — | 1995-02-28 |
| 5033141 | Combined key chain, picture frame and tab-top opener | — | 1991-07-23 |