Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8016037 | Drilling rigs with apparatus identification systems and methods | Leon Ellison, Reinhold Kammann, Manfred Worms, Clive Lam, Guy L. McClung, III | 2011-09-13 |
| 4944737 | Surgical stencil and method of using the same | — | 1990-07-31 |