Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6042800 | Continuous method of removing impurities from crude silver nitrate | Gary Michael Distefano, Kevin M. Logsdon, Stephen Michael Popham, Donald Charles Reid | 2000-03-28 |
| 5765728 | Method and apparatus for feeding chopped polyester scrap | Gerald Douglas Knight, Richard Arthur Tietz, Mark Louis Quadrini | 1998-06-16 |
| 5578173 | Removal of dimethylterephthalate from a methanolysis vapor stream | Walter E. Toot, Jr., Bruce Roger DeBruin, Andrius A. Naujokas, William J. Gamble | 1996-11-26 |
| 5364418 | Process for compacting silver nitrate | Ralph H. Pelto, Theodore E. Walker, John W. Crevelling, Kevin M. Logsdon, Paul C. Drake +1 more | 1994-11-15 |
| 5360602 | Silver nitrate produced by a continuous evaporative crystallization process | Jeffrey R. Hennenkamp, Kevin M. Logsdon, Theodore E. Walker, Paul C. Drake | 1994-11-01 |
| 4824939 | Process for leaching particulate solid materials | — | 1989-04-25 |