Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4322579 | Sound reproduction in a space with an independent sound source | Johannis A. Van Gorsel | 1982-03-30 |
DK
Derk Kleis
Overall (1982): #69,558 of 81,411Top 90%
1
Patents 1982