Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4318641 | Method for securing a tubular element to the bottom of a body of water and apparatus for carrying out this method | — | 1982-03-09 |
JH
Johannes R. Hogervorst
Overall (1982): #52,795 of 81,411Top 65%
1
Patents 1982