Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829554 | Cellular mobile telephone system and method | Michael Barnes, David F. Hayes, George Helm, Anthony R. A. Keane, Roger Pawlowski +4 more | 1989-05-09 |
KH
Kenneth L. Hagstrom
Overall (1989): #88,823 of 140,708Top 65%
1
Patents 1989