Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7918715 | Device and method for sharpening blades | Randel R. Clark | 2011-04-05 |
| 4673762 | Decolorizing ethanolamines with alkylene oxides | James H. Paslean | 1987-06-16 |
| 4487987 | Method of decolorizing mixtures of aminoethylpiperazine, a polyoxypropylenediamine and alkylphenols with N,N-diethylhydroxylamine | James H. Paslean | 1984-12-11 |