George Preston Dorris

Patents

Automobile Suspension

Patent #: 698,909
Granted: Apr. 29, 1902

Reversing Gear

Patent #: 724, 557
Granted: Apr. 7 1903

Engine Cooling

Patent #: 842,531
Granted: Jan. 29, 1907

Distillator

Patent #: 1,442,256
Granted: Jan 16, 1923

Distillator Second Patent

Patent #:1,442,257
Granted: Jan 16, 1923

Milk Truck Suspension

Patent #: 2,212,636
Granted: Aug 27, 1940

Knife Sharpener

Patent #: 2,318,764
Granted: May 11, 1943