Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10827584 | LED control circuits | Todd W Hodrinsky, James Epperson, Karl Karash, Michael Varanka | 2020-11-03 |
| 9114571 | Method for reducing stress in three dimensional model | Xiaorong You, Jennifer Elizabeth Gingras, John Theodore Wigand | 2015-08-25 |
| 7993123 | Method and apparatus for fabricating three dimensional models | John Theodore Wigand, Michael Varanka | 2011-08-09 |
| 7700016 | Method and apparatus for fabricating three dimensional models | John Theodore Wigand, Michael Varanka | 2010-04-20 |
| 6606171 | Digitizing scanner | Jeffrey D. Renk, Richard F. Lehman, Mark R. Fernald | 2003-08-12 |
| 6023348 | Rotary image scanner capable of mounting drums of various diameters | Thomas W. Bosse, Mark W. Magee, Richard F. Lehman | 2000-02-08 |
| 5424537 | Calibrated color scanner | Richard F. Lehman, Roger A. Wendt | 1995-06-13 |
| 5410420 | Drum scanner focusing system | Laurier St. Onge | 1995-04-25 |
| 5367769 | Method of manufacturing a rotary scanning drum | Ronald L. Searcy, Mark W. Magee | 1994-11-29 |
| 5237172 | Calibrated color scanner with reference level adjustment | Richard F. Lehman, Roger A. Wendt | 1993-08-17 |
| 5084712 | Head tending method and apparatus for an ink jet printer | Allan G. Hock, Kathryn McMahon, John Gary Sousa | 1992-01-28 |
| 4968994 | Head tending apparatus for an ink jet printer | Allan G. Hock, Kathryn McMahon, John Gary Sousa | 1990-11-06 |
| 4870431 | Ink jet priming system | John Gary Sousa, Allan G. Hock, Carl David Lutz | 1989-09-26 |
| 4769652 | Method and apparatus for handling sheet materials | Arthur L. Cleary | 1988-09-06 |
| 4707712 | Method and apparatus for transporting and tensioning sheet materials in an ink jet printer | Dennis J. Buckley, Arthur L. Cleary | 1987-11-17 |
| 4703329 | Method and apparatus for controlling sheet material in an ink jet printer | David L. Allen | 1987-10-27 |
| 4432005 | Ink control system for ink jet printer | Peter L. Duffield, Arthur L. Cleary | 1984-02-14 |