Granted Patent
Utility
US 5,735,372 · App. 08/633,928
Variable constant force hydraulic components and systems
Inventors:
James M. Hamilton, Lonnie K. Woods
Patented Case
View Patent ↗
Granted: Apr 7, 1998
Filed: Apr 17, 1996
Inventors
James M. Hamilton
Lonnie K. Woods
Assignee (at issue)
AimRite Systems International, Inc.
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.