Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D460487 | Tape dispenser | Roger F. Lay, Philip White, William A. Weirsman | 2002-07-16 |
| 6363690 | Automatic measuring device and method for dispensing materials | Roger F. Lay, Allen A. Crowe | 2002-04-02 |
| 4667509 | Digital tester for measuring the hardness of the material | Edward L. Tobolski, Ronald F. Grosso, Elliot R. Lang, Ralph Hershberger | 1987-05-26 |