Granted Patent
Utility
US 4,335,301 · App. 06/079,326
Wave shaping circuit for electro-optical code readers
Inventors:
Roger Palmer, William J. Purdue
Patented Case
View Patent ↗
Granted: Jun 15, 1982
Filed: Sep 27, 1979
Inventors
Roger Palmer
William J. Purdue
Assignee (at issue)
Interface Mechanisms
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.