Granted Patent
Utility
US 4,226,608 · App. 06/038,515
Method and apparatus for curving glass sheets
Inventor:
Harold E. McKelvey
Patented Case
View Patent ↗
Granted: Oct 7, 1980
Filed: May 14, 1979
Inventor
Harold E. McKelvey
Assignee (at issue)
Shatterproof Glass Corp.
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.