Granted Patent
Utility
US 4,058,828 · App. 05/740,699
Document copying apparatus
Inventor:
John H. Ladd
Patented Case
View Patent ↗
Granted: Nov 15, 1977
Filed: Nov 11, 1976
Inventor
John H. Ladd
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.