Laveen, Arizona
United States
11
2009-04-02
The entities that hold a legal rights for patent applications filed by inventor Sleeper Robert D.:
Robert D. Sleeper from Laveen, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Vehicle tracking, communication and fleet management system
#2 | 2008-06-05Check valve with adjustable opening pressure
#3 | 2008-03-06High flow insert type check valve
#4 | 2008-02-28Electromagnetic split flapper pressure relief valve
#5 | 2008-01-10Electric motor pressure relief plate
#6 | 2006-11-16Collapsible shaft and control assembly
#7 | 2006-11-16Dual-actuator aircraft environmental control system valve
#8 | 2006-08-17Snap acting split flapper valve
#9 | 2006-06-29Vehicle tracking, communication and fleet management system
#10 | 2005-11-03Lounge valve mounting housing and assembly
#11 | 2005-05-10Vehicle tracking, communication and fleet management system
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