Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4284616 | Process for recovering carbon black and hydrocarbons from used tires | Age Solbakken, Fred Apffel, Sam P. Robinson | 1981-08-18 |
| 4250158 | Process for recovering carbon black and hydrocarbons from used tires | Age Solbakken, Fred Apffel, Sam P. Robinson | 1981-02-10 |