Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D264192 | Electronic test meter housing | Hugh T. Greenlee, Roy P. Hess, Donald C. McKinnon | 1982-05-04 |
| D264193 | Electronic test meter housing | Hugh T. Greenlee, Roy P. Hess, Donald C. McKinnon, Robert L. Umbarger | 1982-05-04 |