Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8799264 | Method for improving search engine efficiency | Johannes Gehrke, Robbert Van Renesse | 2014-08-05 |
| 4329322 | Chlorination of titaniferous material using treated coal for vanadium removal | James P. Bonsack | 1982-05-11 |
| 4324062 | Humane insect trap for the live capture of spiders and the like | — | 1982-04-13 |
| 4280961 | Method of recovering and/or refining animal fats | Wolfgang Sirtl | 1981-07-28 |
| 4213504 | Rotary, hand-held apparatus for performing various soil working operations | — | 1980-07-22 |