Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876130 | Bituminous composition and use thereof as cold-applicable self-adhesive compound | Willem C. Vonk | 1989-10-24 |
GG
Gerrit van Gooswilligen
Overall (1989): #111,047 of 140,708Top 80%
1
Patents 1989