Granted Patent
Utility
US 4,429,795 · App. 06/315,711
Book reject mechanism
Inventor:
Richard B. Hawkes
Patented Case
View Patent ↗
Granted: Feb 7, 1984
Filed: Oct 28, 1981
Inventor
Richard B. Hawkes
Assignee (at issue)
Harris Graphics
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.