Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5613930 | Device for extracting, storing and handling drill bit cassettes | Gary John Emrhein | 1997-03-25 |
| 4480990 | Article support rack and methods of weighting down articles | William D. Beam, Lloyd R. Cox, Charles R. Hankins | 1984-11-06 |