Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4538356 | Surgical knife with controllably extendable blade and gauge therefor | William R. Knepshield, David D. Ogletree | 1985-09-03 |
| 4499898 | Surgical knife with controllably extendable blade and gauge therefor | William R. Knepshield, David D. Ogletree | 1985-02-19 |