Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6256166 | Tape cassette for cleaning VCR heads and transport components | Robert D. DeMaster, Alexander R. Mitka, Alexander S. Sinclair, Richard E. Skare, Mark W. Weavers | 2001-07-03 |
| 5901860 | Hand held transfer tool for stocking display pegs or hooks | — | 1999-05-11 |
| 5841613 | Tape cassette for cleaning VCR heads and transport components | Robert D. DeMaster, Alexander R. Mitka, Alexander S. Sinclair, Richard E. Skare, Mark W. Weavers | 1998-11-24 |
| 4194636 | Bracket assembly | David C. Byram | 1980-03-25 |