Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4242201 | By-pass water softener system and installation | James B. Stephens | 1980-12-30 |
| 4234098 | Fuel tank fill port extension | James B. Stephens | 1980-11-18 |
| 4226475 | Underground mineral extraction | Robert A. Administrator of the National Aeronautics and Space Frosch, James B. Stephens | 1980-10-07 |