RB

Robert R. Beeson

HP HP: 12 patents #217 of 7,018Top 4%
Overall (All Time): #428,087 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6305786 Unit print head assembly for an ink-jet printer Lawrence Plotkin, Bruce Cowger, Donald B. Ouchida 2001-10-23
6299297 Compacting empty ink containers 2001-10-09
5742308 Ink jet printer cartridge refilling method and apparatus Bruce Cowger, Fred E. Tarver 1998-04-21
5646666 Back pressure control in ink-jet printing Bruce Cowger, Christopher A. Schantz, William J. West 1997-07-08
5621444 Controlled heating of solid ink in ink-jet printing 1997-04-15
5617128 Alignment of multiple nozzle members in a printer Jeffrey A. Thoman, David W. Swanson, Mindy A. Hamlin, Corrina Hall, James G. Salter +1 more 1997-04-01
5589865 Inkjet page-wide-array printhead cleaning method and apparatus 1996-12-31
5565900 Unit print head assembly for ink-jet printing Bruce Cowger, Donald B. Ouchida 1996-10-15
5408746 Datum formation for improved alignment of multiple nozzle members in a printer Jeffrey A. Thoman, David W. Swanson, Mindy A. Hamlin 1995-04-25
5388326 Self aligning orifice construction for thermal ink-jet printheads Paul H. McClelland, Donald B. Ouchida 1995-02-14
5049898 Printhead having memory element Alan R. Arthur 1991-09-17
4794409 Ink jet pen having improved ink storage and distribution capabilities Bruce Cowger 1988-12-27