RH

Robert D. Haselby

HP HP: 17 patents #8,774 of 16,619Top 55%
Overall (All Time): #278,265 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8223958 Determining an active line Daud Abd Al-Malik Zoss, Henry K. Flournoy, George Bothwell, Kevin A Merrill, Narendra Penumudl 2012-07-17
6568782 Calibration system to correct printhead misalignments 2003-05-27
6241334 Automatic print cartridge alignment sensor system 2001-06-05
6161914 Alignment sensor system for multiple print cartridges 2000-12-19
5991055 Underpulsed scanner with variable scan speed, P. W. M. color balance, scan modes and column reversal Curtis J. Behrend, Jack Schmidt, Morad M. Samii 1999-11-23
5861899 Wide-swath printer/plotter using multiple printheads Michael A. Nguyen, Lowell J. Stewart, Daniel S. Kline, Robert A. Boeller, Chuong C. Ta 1999-01-19
5644344 Optical print cartridge alignment system 1997-07-01
5517217 Apparatus for enhancing ink-flow reliability in a thermal-inkjet pen; method for priming and using such a pen Irene H. Williams, Gerold Firl 1996-05-14
5488397 Wide-swath printer/plotter using multiple printheads Michael A. Nguyen, Lowell J. Stewart, Daniel S. Kline, Robert A. Boeller, Chuong C. Ta 1996-01-30
5297017 Print cartridge alignment in paper axis Michael A. Nguyen 1994-03-22
5289208 Automatic print cartridge alignment sensor system 1994-02-22
5250956 Print cartridge bidirectional alignment in carriage axis Michael A. Nguyen, Keith E. Cobbs 1993-10-05
5109239 Inter pen offset determination and compensation in multi-pen ink jet printing systems Keith E. Cobbs, William S. Osborne 1992-04-28
4922270 Inter pen offset determination and compensation in multi-pen thermal ink jet pen printing systems Keith E. Cobbs, William S. Osborne 1990-05-01
4916638 Media advance system for swath printers Jeffrey BEST, Samuel A. Stodder 1990-04-10
4844317 Position transducer for use with a printer or plotter Samuel A. Stodder 1989-07-04
4567565 Apparatus and method for pen-lift system Samuel R. Haugh, Lowell J. Stewart 1986-01-28