Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D603542 | Outdoor lamp with electrical cord | — | 2009-11-03 |
| 5367138 | Welding assurance control techniques | Randolph P. Formanek, Johnny B. Hogg, deceased, William M. Derby, Jr. | 1994-11-22 |