Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6247824 | Mirror system | Joseph J. Berke | 2001-06-19 |
| 6231081 | Semitrailer landing gear | Joseph J. Berke | 2001-05-15 |
| 6048345 | Motorized reciprocating surgical file apparatus and method | Joseph J. Berke | 2000-04-11 |
| 4561445 | Elongated needle electrode and method of making same | Joseph J. Berke | 1985-12-31 |