Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10487509 | Method for producing a covering element made from fibers impregnated with bitumen having improved fire properties, and composition | Eyup Tokdemir, Andac Guzel | 2019-11-26 |
| 9677278 | Method of fabricating bitumen impregnated ridge tiles, and machines for fabricating them | Jean-Claude Lemaitre | 2017-06-13 |