Ann Arbor, Michigan
United States
10
2018-02-22
The entities that hold a legal rights for patent applications filed by inventor HILL William E.:
William E. HILL from Ann Arbor, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Slotted snap-action valve assembly for exhaust system
#2 | 2018-02-22Flutter dampened exhaust valve
#3 | 2011-03-17Snap-action valve for exhaust system
#4 | 2010-11-25Snap action valve with inertia damper
#5 | 2010-10-21Snap action valve with bumper pad
#6 | 2010-10-21Method of installing rotatable flapper valve to an interior of a conduit
#7 | 2008-10-09Snap-action valve for exhaust system
#8 | 2008-09-18Snap-action valve for exhaust system
#9 | 2008-09-18Snap-action valve for exhaust system
#10 | 2007-06-07Muffler assembly with sound absorbing member
2122297 ⎘