Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5967518 | Sports related dart game apparatus and method | — | 1999-10-19 |
| 4971153 | Method of performing wireline perforating and pressure measurement using a pressure measurement assembly disconnected from a perforator | E. Allen Klingensmith | 1990-11-20 |