Granted Patent
Utility
US 4,475,086 · App. 06/364,110
Duty cycle detector
Inventor:
James D. Allen, IV
Patented Case
View Patent ↗
Granted: Oct 2, 1984
Filed: Mar 31, 1982
Inventor
James D. Allen, IV
Assignee (at issue)
EASTMAN KODAK COMPANY
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.