Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5597253 | Stick refill system | Tilwin Lepsius, Gerhard Gierenz, Gerd-Ruediger Reinfelder, Joachim Franken, Hans Halm | 1997-01-28 |
| 5567071 | Method and apparatus for refillable stick dispenser | Tilwin Lepsius, Gerhard Gierenz, Gerd-Ruediger Reinfelder, Joachim Franken, Hans Halm | 1996-10-22 |
| D294852 | Electrical apparatus for vaporizing insecticide tablets | Peter Schroeder, Franz P. Hennemann, Frank Grieser | 1988-03-22 |