Granted Patent
Utility
US 4,534,723 · App. 06/575,250
Cutting device for the precision trimming of the edge of a centrifugally cast lens
Inventors:
David Lionel Rawlings, Michael DILLON
Patented Case
View Patent ↗
Granted: Aug 13, 1985
Filed: Jan 30, 1984
Inventors
David Lionel Rawlings
Michael DILLON
Assignee (at issue)
International Hydron Corporation
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.