Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5660915 | Bituminous roofing underfelt and base felt therefor | Bertrand Weiter, Franz Kaulich | 1997-08-26 |
MS
Michael Schoeps
Overall (1997): #101,994 of 185,788Top 55%
1
Patents 1997