Granted Patent
Utility
US 6,342,022 · App. 09/482,601
Modular pressure relief valve for differential assembly
Inventor:
Gary L. Sturm
Patented Case
View Patent ↗
Granted: Jan 29, 2002
Filed: Jan 14, 2000
Inventor
Gary L. Sturm
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.