Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4739339 | Cartridge and method of using a cartridge for phase change ink in an ink jet apparatus | Thomas W. DeYoung, Arthur Mikalsen | 1988-04-19 |
| 4539568 | Hot melt ink jet having non-spill reservoir | Arthur M. Lewis | 1985-09-03 |
| D280109 | Cleaning card for ink jet print head or similar article | Arthur M. Lewis | 1985-08-13 |
| 4479136 | Cleaning system and method for ink jet printer | Arthur M. Lewis | 1984-10-23 |