Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4413738 | Apparatus and method for controlling the inspection of finished products | Darius O. Riggs, Douglas Mansor, James R. Sager, John W. Juvinall | 1983-11-08 | $1,957,000 |
| 4278173 | Combined plug and air warp neck finish gauge | John J. Pezzin, Darius O. Riggs, Thomas B. Sorbie | 1981-07-14 | $5,088,000 |