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, John V. Nowicki, Richard E. Skare, Mark W. Weavers | 2001-07-03 |
| 5841613 | Tape cassette for cleaning VCR heads and transport components | Robert D. DeMaster, Alexander R. Mitka, John V. Nowicki, Richard E. Skare, Mark W. Weavers | 1998-11-24 |
| 4454818 | Advancing of apparatus for refurbishing overhead structures | Barry C. Eccleston, Michael Elliot | 1984-06-19 |
| 4201275 | Means for the renovating and refurbishing of overhead structures | Barry C. Eccleston | 1980-05-06 |