Granted Patent
Utility
US 4,627,237 · App. 06/595,167
Hydrostatic transmission with fixed fluid capacity ratio between pump and motor
Inventor:
Allan I. Hutson
Patented Case
View Patent ↗
Granted: Dec 9, 1986
Filed: Mar 30, 1984
Inventor
Allan I. Hutson
Assignee (at issue)
Sundstrand Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.