Granted Patent
Utility
US 4,480,917 · App. 06/351,702
Float glass ribbon monitor enhancement method and apparatus
Inventor:
Hugh E. Shaw, Jr.
Patented Case
View Patent ↗
Granted: Nov 6, 1984
Filed: Feb 24, 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.