Granted Patent
Utility
US 5,209,399 · App. 07/897,185
Automotive oil level control valve apparatus
Inventors:
Joseph M. Gondusky, Eric J. Giasson, Alfred J. White
Patented Case
View Patent ↗
Granted: May 11, 1993
Filed: Jun 11, 1992
Inventors
Joseph M. Gondusky
Eric J. Giasson
Alfred J. White
Assignee (at issue)
Texas Instruments Incorporated
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.