Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6321751 | Condom with spiral crisscross ribbing | Richard D. Kline, Jim D. Burns, Michael J. Harrison | 2001-11-27 |
| 6308708 | Condom with spiral crisscross ribbing | Richard D. Kline, Jim D. Burns, Michael J. Harrison | 2001-10-30 |
| D439969 | Condom with crisscross ribbing | Richard D. Kline, Jim D. Burns, Michael J. Harrison | 2001-04-03 |
| 6135112 | Non-slip condom | Michael J. Harrison, Frederick P. Sisbarro, Dennis Blum, Jim D. Burns | 2000-10-24 |
| 5715839 | Multiple ring condom | Frederick P. Sisbarro | 1998-02-10 |