Granted Patent
Utility
US 5,283,978 · App. 07/807,081
Glass door and hinging mechanism with method of installation
Inventor:
William J. Horgan, Jr.
Patented Case
View Patent ↗
Granted: Feb 8, 1994
Filed: Dec 13, 1991
Inventor
William J. Horgan, Jr.
Assignee (at issue)
Blumcraft of Pittsburgh
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.