Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7210992 | Machine for preparing floors for refinishing | — | 2007-05-01 |
| 4219695 | Noise estimation system for use in speech analysis | Arthur L. Wilkes, Robert Lee Thompson | 1980-08-26 |