Granted Patent
Utility
US 4,281,740 · App. 06/055,729
Muffler
Inventors:
William Robert Weiss, Lee E. Remy
Patented Case
View Patent ↗
Granted: Aug 4, 1981
Filed: Jul 9, 1979
Inventors
William Robert Weiss
Lee E. Remy
Assignee (at issue)
Allied Chemical Corporation
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.