Issued Patents All Time
Showing 51–58 of 58 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4594230 | Recovery of cobalt | Richard A. Scheithauer, Clarence D. Vanderpool | 1986-06-10 |
| 4552729 | Method for removing tin from sodium tungstate solution | Martin Vogt, Richard A. Scheithauer | 1985-11-12 |
| 4469890 | Preparation of ortho-aminobenzotrifluoride | John P. Chupp, Thomas Neumann | 1984-09-04 |
| 4454098 | Process for reclaiming tungsten from a hazardous waste | Richard A. Scheithauer, Clarence D. Vanderpool, Martin B. MacInnis | 1984-06-12 |
| 4452633 | Method for producing cobalt metal powder | Richard A. Scheithauer, Clarence D. Vanderpool, Eric F. Husted | 1984-06-05 |
| 4448755 | Method for removal of tin from ammonium tungstates | Richard A. Scheithauer, Martin B. MacInnis, James N. Christini, Martin Vogt | 1984-05-15 |
| D258794 | Framed mirror | — | 1981-04-07 |
| 4223586 | Anchor for sheet metal screws and the like | — | 1980-09-23 |