PD

Patrick S. Dougherty

HP HP: 15 patents #877 of 16,619Top 6%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #239,301 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9241852 All terrain adapter for folding wheelchair Michael Dougherty 2016-01-26
8152192 All terrain adapter for a wheelchair 2012-04-10
7735847 All terrain adapter for a wheelchair 2010-06-15
7555229 Marking device and methods David Kendall 2009-06-30
7245389 Burst mode for printing devices Santiago Rodriguez 2007-07-17
7221888 Printing device cartridge having position in which rollers are separated from photoconductor Scott K. Hymas, Brent Meyer 2007-05-22
7099598 Method and apparatus for modifying a printing process in response to environmental conditions received via network Santiago Rodriguez 2006-08-29
6975342 Print cartridge 2005-12-13
6925268 Estimating toner levels Santiago Rodriguez 2005-08-02
6859632 System for and method of removing or preventing electrostatic charges from an organic photoconductor during transit 2005-02-22
6778801 Image-forming device and method with adjustable toner chamber cavity 2004-08-17
6760555 System for and method of toner flow control George B. Clifton 2004-07-06
6697585 System for and method of reducing or eliminating leakage with a vibrating seal Quintin T. Phillips 2004-02-24
6690900 Method of and system for the reduction of toner pressure applied to a print seal through the implementation of a tapering channel Quintin T. Phillips 2004-02-10
6681089 System for and method of removing or preventing electrostatic charges from an organic photoconductor during transit 2004-01-20
6654576 System for and method of reducing toner seal leakage by the introduction of a step groove in the developer roller 2003-11-25
6641244 Method and apparatus for modifying a printing process in response to environmental conditions received via a network Santiago Rodriguez 2003-11-04
6621996 Magnetic toner use in a non-contact cleanerless system Brenton L. Meyer, Dennis D. Whitehead 2003-09-16
5035194 Forced foil sail 1991-07-30