Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833387 | Control circuit for running a polyphase synchronous motor in a d-c voltage network | — | 1989-05-23 |
RP
Ruediger Pfeiffer
Overall (All Time): #3,928,604 of 4,157,543Top 95%
1
Patents All Time