Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6511154 | INK SUPPLY FOR IMPULSE INK JET SYSTEM, SAID INK SUPPLY INCLUDING A CAP HAVING THREADED PERIPHERY, AND A VALVE SUPPORTED BY THE CAP, WHEREIN A PROJECTION EXTENDS FROM A SURFACE OF THE CAP INTO AN INK RESERVOIR | John F. Niedermeyer, Robert L. Rogers | 2003-01-28 |
| 6234617 | Ink supply for impulse ink jet system, said ink supply including a cap having threaded periphery, and a valve supported by the cap, wherein a projection extends from a surface of the cap into an ink reservoir | John F. Niedermeyer, Robert L. Rogers | 2001-05-22 |
| 6033061 | Ink supply for impulse ink jet system, said ink supply including a cap having a threaded perphery, a valve supported by said cap and a projection for extending from the cap into an ink reservoir | John F. Niedermeyer, Robert L. Rogers | 2000-03-07 |