Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5186430 | Adjustable column cap or base | — | 1993-02-16 |
| 4203625 | Apparatus for sulfur melting by lateral displacement of heating element | Ernest R. Ellithorpe | 1980-05-20 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5186430 | Adjustable column cap or base | — | 1993-02-16 |
| 4203625 | Apparatus for sulfur melting by lateral displacement of heating element | Ernest R. Ellithorpe | 1980-05-20 |