Granted Patent
Utility
US 4,928,299 · App. 07/357,762
Coin operated telephone operation monitoring switch mounting arrangement
Inventors:
John L. Tansky, Edward F. Lagan, Jr., Patrick J. McGarry
Patented Case
View Patent ↗
Granted: May 22, 1990
Filed: May 26, 1989
Inventors
John L. Tansky
Edward F. Lagan, Jr.
Patrick J. McGarry
Assignee (at issue)
Mars, Incorporated
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.