Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4729390 | Tobacco smoke filtering material | — | 1988-03-08 |
| 4571497 | Method for continuously measuring the perimeter of wrapped objects | James W. Henry | 1986-02-18 |
| 4567372 | Method for continuously measuring the perimeter of wrapped objects of generally uniform cross-section | James W. Henry | 1986-01-28 |
| 4221226 | Hot melt adhesive for bonding filter tow, and filter elements bonded thereby | John E. Kiefer | 1980-09-09 |