Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7459188 | Method and apparatus for making diamond-like carbon films | Fu-Jann Pern, Zhozef Retevos Panosyan, Aleksey Alekseyevich Gippius | 2008-12-02 |
| 4718493 | Well treating method and system for stimulating recovery of fluids | Gilman A. Hill, Richard S. Passamaneck | 1988-01-12 |
| 4683943 | Well treating system for stimulating recovery of fluids | Gilman A. Hill, Richard S. Passamaneck | 1987-08-04 |
| 4633951 | Well treating method for stimulating recovery of fluids | Gilman A. Hill, Richard S. Passamaneck | 1987-01-06 |