Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4347662 | Shaving apparatus | — | 1982-09-07 |
| 4310968 | Shaving apparatus | Dirk A. Buik | 1982-01-19 |
ET
Eduard W. Tietjens
Overall (1982): #14,685 of 81,411Top 20%
2
Patents 1982