Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5618194 | Electrical plug device | Werner Hofmeister, Dieter Egert, Dirk Langenhan | 1997-04-08 |
HM
Hans-Heinrich Maue
Overall (1997): #144,974 of 185,788Top 80%
1
Patents 1997