Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6053237 | Bump-resistant door | Hans-Inge Bertilsson | 2000-04-25 |
| 5829504 | Door edge guiding arrangement | Marie Ingela Christina Ekstrand, Hans-Inge Bertilsson | 1998-11-03 |
| 5107917 | Arrangement in doors | — | 1992-04-28 |
| 4953608 | Safety device, particularly for roll-up doors | — | 1990-09-04 |
| 4569471 | Container through which a gas flows, preferably a muffler, with fiberglass filling and method and apparatus for filling the same | Bengt-Erik Ingemansson, Bertil E. Bjork, Jan E. Hedman, Knut G. Knutsson | 1986-02-11 |