Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873461 | Electric motor sterilizable surgical power tool | James Evans | 1989-10-10 |
| 4854244 | Transit rail deicing system | Thomas R. Rhodes | 1989-08-08 |
TB
Thomas Brennan
Federal Signal: 1 patents #12 of 66Top 20%
Overall (1989): #14,504 of 140,708Top 15%
2
Patents 1989