Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4688340 | Travel steam and dry iron | — | 1987-08-25 |
| 4355692 | Thick film resistor force transducers and weighing scales | — | 1982-10-26 |
| 4243287 | Dead front plug with insulation penetrating contacts | Donald F. Smith | 1981-01-06 |
| D257035 | Two prong electric plug | Donald F. Smith, Lawrence P. Mellyn | 1980-09-23 |
| D257036 | Heavy duty electric plug | Donald F. Smith, Lawrence P. Mellyn | 1980-09-23 |
| 4191444 | Dead front plug with strain relief | Donald F. Smith | 1980-03-04 |