Granted Patent
Utility
US 4,341,243 · App. 06/245,223
Pressure reducing valve with floating stem for make-up vent
Inventor:
Kurt B. Melocik
Patented Case
View Patent ↗
Granted: Jul 27, 1982
Filed: Jun 16, 1980
Inventor
Kurt B. Melocik
Assignee (at issue)
Caterpillar Tractor 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.