Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5169448 | Tackiness tester | John P. Peterson, David E. Graves | 1992-12-08 |
| 5141767 | Method for providing a measure of tackiness of a body surface | John P. Peterson, David E. Graves | 1992-08-25 |