Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4698543 | Electrode for electrical discharge machining | — | 1987-10-06 |
| 4491713 | Power and sensing cable arrangement for electrical discharge machining assembly | Robert Brown | 1985-01-01 |
| 4222545 | Artificial Christmas tree stand | Frank P. Rietveld | 1980-09-16 |