Granted Patent
Utility
US 4,948,270 · App. 07/422,260
Oil flushing adapter
Inventors:
Paul G. Minard, Robert C. Hurman, William A. Weiland
Patented Case
View Patent ↗
Granted: Aug 14, 1990
Filed: Oct 16, 1989
Inventors
Paul G. Minard
Robert C. Hurman
William A. Weiland
Assignee (at issue)
Westinghouse Electric Company 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.