Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5522722 | Fuel control | — | 1996-06-04 |
| 5240407 | Process for producing a sturdy refractory metal oxide article | Robert E. Nelson | 1993-08-31 |
| 5018963 | Pulsating gas powered light source | — | 1991-05-28 |
| 4975044 | Gas mantle technology | — | 1990-12-04 |
| 4883619 | Refractory metal oxide processes | Robert E. Nelson | 1989-11-28 |
| 4877553 | Gas mantle technology | — | 1989-10-31 |
| 4497339 | Two-stage pressure regulator | George Gruner | 1985-02-05 |
| 4321934 | Gas lighter powered curling device | — | 1982-03-30 |
| 4248208 | Catalytically heated curling device with automatic temperature control | — | 1981-02-03 |
| 4243017 | Catalytically heated curling device with improved ignition system | — | 1981-01-06 |