Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8469120 | Methods and apparatus for controlling cutting ribbons during a drilling operation | Pavlin B. Entchev, John K. Montgomery | 2013-06-25 |
| 6970256 | Apparatus and methods for measuring thickness and refractive index | — | 2005-11-29 |