Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8206249 | Electronic racquet stringing machine | — | 2012-06-26 |
| 6227990 | Electronic racket stringing machine | James A. Calia | 2001-05-08 |
| 5971635 | Piano-style keyboard attachment for computer keyboard | — | 1999-10-26 |
| 5733212 | Electronic racket stringing machine | James A. Calia | 1998-03-31 |
| 5428842 | Hat made of unitary sheet of cardboard or the like | — | 1995-07-04 |
| D352378 | Hat | — | 1994-11-15 |
| 4864875 | Digital electronic calibrator for tennis racket stringing machines | — | 1989-09-12 |