Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6217314 | Disposable, recyclable oil candle | Frederick C. Kiesinger | 2001-04-17 |
| D420462 | Fuel cell | — | 2000-02-08 |
| 5525055 | Apparatus for presetting fuel cell wick | Robert C. Zimmerman | 1996-06-11 |
| 5211553 | Burner for liquid fuel cell | — | 1993-05-18 |
| D318927 | Liquid candle lamp | Douglas R. Cleminshaw, Robert C. Zimmerman | 1991-08-06 |
| D317059 | Fuel container for liquid candle lamp | — | 1991-05-21 |
| 4805076 | Liquid candle lamp with disposable fuel cell | — | 1989-02-14 |
| 4611986 | Disposable liquid fuel burner | Gerald A. Menter | 1986-09-16 |
| 4526530 | Burner for liquid candle | Gerald A. Menter | 1985-07-02 |