Granted Patent
Utility
US 4,440,559 · App. 06/393,912
Apparatus for sensing a glass ribbon edge and method of use
Inventor:
Hugh E. Shaw, Jr.
Patented Case
View Patent ↗
Granted: Apr 3, 1984
Filed: Jun 30, 1982
Inventor
Hugh E. Shaw, Jr.
Assignee (at issue)
PPG Industries, Inc.
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.