Granted Patent
Utility
US 4,620,475 · App. 06/779,389
Hydraulic displacement unit and method of assembly thereof
Inventor:
Thomas A. Watts
Patented Case
View Patent ↗
Granted: Nov 4, 1986
Filed: Sep 23, 1985
Inventor
Thomas A. Watts
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.