Granted Patent
Utility
US 5,236,014 · App. 07/891,202
Trim for ANSI class V shut off of valves
Inventors:
Melvin L. Buls, Randy L. Hall
Patented Case
View Patent ↗
Granted: Aug 17, 1993
Filed: Jun 1, 1992
Inventors
Melvin L. Buls
Randy L. Hall
Assignee (at issue)
Fisher Controls International LLC
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.