Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6378402 | Hand tool | Charles Kalomeris, Frank Sterpka, Paul Metaxatos, David C. Boyle | 2002-04-30 |
| D449505 | Ratcheting hand held tool | Brian Glass, Gregory Scott Snider, Charles Kalomeris, Frank Sterpka, Paul Metaxatos +1 more | 2001-10-23 |
| D446706 | Hand held tool | Charles Kalomeris, Frank Sterpka, Paul Metaxatos, David C. Boyle | 2001-08-21 |