Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7409563 | Method and apparatus for preventing un-authorized attachment of computer peripherals | Robert J. Howard | 2008-08-05 |
| 5950816 | Personal carrier case | — | 1999-09-14 |
| 5670128 | Regeneration of sulfuric acid from sulfate by-products of 2-hydoxy-4-(methylthio) butyric acid manufacture | Robert W. Grendel, Jeffrey B. Klopfenstein, Robin K. Prokop, J. Michael Willock | 1997-09-23 |
| 5498790 | Regeneration of sulfuric acid from sulfate by-products of 2-hydroxy-4-(methylthio)butyric acid manufacture | Robert W. Grendel, Jeffrey B. Klopfenstein, Robin K. Prokop, J. Michael Willock | 1996-03-12 |