Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7361074 | Rotating light toy | Douglas M. Periman, Ronald A. Angstead, Patrick M. Bertsch, Brent W. Murray, Ralph M. Martin | 2008-04-22 |
| 4335460 | Printer system having parity checking of print hammers using software control | Richard D. Bolcavage, Arthur E. Fleek | 1982-06-15 |
| 4273041 | Belt printer control architecture | Richard D. Bolcavage, Arthur E. Fleek | 1981-06-16 |