Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5147197 | Sealing plate for a spinnerette assembly | John A. Hodan, Robert N. Armstrong | 1992-09-15 |
RF
Robert E. First
Overall (All Time): #3,859,227 of 4,157,543Top 95%
1
Patents All Time