Granted Patent
Utility
US 4,832,068 · App. 07/135,786
Liquid/gas bypass
Inventors:
James C. Wendschlag, James W. Larson
Patented Case
View Patent ↗
Granted: May 23, 1989
Filed: Dec 21, 1987
Inventors
James C. Wendschlag
James W. Larson
Assignee (at issue)
American Standard Inc.
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.