Granted Patent
Utility
US 5,255,770 · App. 07/758,897
Coin handling system
Inventors:
John A. Hird, Mark E. Kerr
Patented Case
View Patent ↗
Granted: Oct 26, 1993
Filed: Sep 11, 1991
Inventors
John A. Hird
Mark E. Kerr
Assignee (at issue)
First City Texas-Dallas
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.