Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874399 | Electret filter made of fibers containing polypropylene and poly(4-methyl-1-pentene) | John F. Reed | 1989-10-17 |
MJ
Marvin E. Jones
Overall (1989): #80,844 of 140,708Top 60%
1
Patents 1989