Granted Patent
Utility
US 5,133,245 · App. 07/694,221
Continuously adjustable stroke limiter for hydraulic positioner
Inventors:
Jimmy C. Lee, Calvin R. Stringer
Patented Case
View Patent ↗
Granted: Jul 28, 1992
Filed: Apr 12, 1991
Inventors
Jimmy C. Lee
Calvin R. Stringer
Assignee (at issue)
P. L. Porter Co.
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.