Granted Patent
Utility
US 4,604,849 · App. 06/648,640
Insertion machine drive
Inventors:
Edward H. Zemke, Kenneth L. Guenther, Gerald D. Warden
Patented Case
View Patent ↗
Granted: Aug 12, 1986
Filed: Sep 7, 1984
Inventors
Edward H. Zemke
Kenneth L. Guenther
Gerald D. Warden
Assignee (at issue)
Bell and Howell, LLC
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.