Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4454611 | Heat resistant protective hand covering | Richard P. Tschirch, Irving J. Arons | 1984-06-19 |
| 4450150 | Biodegradable, implantable drug delivery depots, and method for preparing and using the same | — | 1984-05-22 |
| 4433439 | Heat resistant protective hand covering | Irving J. Arons | 1984-02-28 |
| 4395511 | Heat sealable, flame and abrasion resistant coated fabric | Richard P. Tschirch | 1983-07-26 |
| 4351337 | Biodegradable, implantable drug delivery device, and process for preparing and using the same | — | 1982-09-28 |
| 4284682 | Heat sealable, flame and abrasion resistant coated fabric | Robert A. Administrator of the National Aeronautics and Space Frosch, Richard P. Tschirch | 1981-08-18 |