Granted Patent
Utility
US 5,941,270 · App. 08/975,094
Butterfly type two-way check valve for an automatic transmission
Inventor:
Thomas D. Nogle
Patented Case
View Patent ↗
Granted: Aug 24, 1999
Filed: Nov 20, 1997
Inventor
Thomas D. Nogle
Assignee (at issue)
Chrysler Group 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.