Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8227676 | Trombone hand grip device | Stephen P. Culliton | 2012-07-24 |
| 7841742 | Circuit board slot for an integral HID reflector lamp | Glenn Freeman, Andrew Johnsen | 2010-11-30 |
| 6305538 | Protective casing having an improved closure | — | 2001-10-23 |
| 6035497 | Zipper pull tab | — | 2000-03-14 |
| 5983458 | Locking clasp | — | 1999-11-16 |
| 5695102 | Elastic shoulder strap | — | 1997-12-09 |
| 5615506 | Cartridge magazine for firearms | Rory J. Erhard, Robert A. Kinzle, Robert B. Cady | 1997-04-01 |
| 5502913 | Cartridge magazine for firearms having improved retainer | — | 1996-04-02 |
| 5301449 | Magazine cartridge loader | — | 1994-04-12 |
| 4814631 | Electrical power supply having a variable output | — | 1989-03-21 |
| 4467017 | Measurement device for indicating the state-of-charge of electrolytic storage type cells | — | 1984-08-21 |