Granted Patent
Utility
US 4,241,300 · App. 05/780,610
Circuit responsive to rate change in amplitude of analog electrical signal for use in tire processing apparatus
Inventors:
Richard H. Hayes, Robert W. Herrmann
Patented Case
View Patent ↗
Granted: Dec 23, 1980
Filed: Mar 24, 1977
Inventors
Richard H. Hayes
Robert W. Herrmann
Assignee (at issue)
Eagle-Picher Industries, 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.