Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5562844 | Ptc heater radiator with frame members applying pressure to heaters | Franz Bohlender | 1996-10-08 |
| 5057672 | Radiator having PTC electric resistance heating elements and spring-biased fin arrangement | Franz Bohlender | 1991-10-15 |
| D296239 | Baby feeding bottle sterilizer or similar article | — | 1988-06-14 |