Granted Patent
Utility
US 4,968,993 · App. 07/323,399
Printing press
Inventors:
Larry Wolfberg, John Harper
Patented Case
View Patent ↗
Granted: Nov 6, 1990
Filed: Mar 14, 1989
Inventors
Larry Wolfberg
John Harper
Assignee (at issue)
L & C Family Partnership
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.