Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4804954 | Battery saving method for portable communications receivers | Philip P. Macnak | 1989-02-14 |
DW
David F. Williard
Overall (1989): #121,288 of 140,708Top 90%
1
Patents 1989