Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5701277 | Electro-acoustic transducers | Roger Mark, Peter F. Flanagan, Patrick M. Brogan, James R. Sturges | 1997-12-23 |
MR
Martin Ring
Overall (1997): #107,460 of 185,788Top 60%
1
Patents 1997