Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8322735 | Freestyle scooter | — | 2012-12-04 |
| 6101852 | Padlock with removable shackle | — | 2000-08-15 |
| 5916283 | Key ring lock assembly | — | 1999-06-29 |
| D330501 | Key head | — | 1992-10-27 |
| 5106251 | Automatic locking device for pop out handle locks | — | 1992-04-21 |
| 4899565 | Square shaped axial split pin tumbler lock | — | 1990-02-13 |
| 4835998 | Removable handle for T-handle lock assembly | — | 1989-06-06 |
| 4821539 | Keeper lock for slide fastener | — | 1989-04-18 |
| 4760721 | Handle flange assembly | — | 1988-08-02 |
| 4735069 | Cylinder lock and key | — | 1988-04-05 |
| 4712400 | Removable cylinder lock | — | 1987-12-15 |
| 4671711 | Key-cutting machine | Joseph P. Tauber | 1987-06-09 |
| 4617813 | Lock-picking tool and method of use thereof | Walter S. Christopher, Robert T. Kriskovich | 1986-10-21 |
| 4446709 | Cylinder lock mechanism | — | 1984-05-08 |
| 4395893 | Plate tumbler-type cylinder lock mechanism | — | 1983-08-02 |
| 4326396 | Plate tumbler for a cylinder lock mechanism | — | 1982-04-27 |
| 4249402 | Keeper lock for a slide fastener | — | 1981-02-10 |
| 4227387 | Axial split-pin tumbler-type lock mechanism | — | 1980-10-14 |
| 4191036 | Axial split-pin tumbler-type lock mechanism and key therefor | — | 1980-03-04 |