Granted Patent
Utility
US 4,584,148 · App. 06/715,544
Method for the precision trimming of the edge of a centrifugally cast lens
Inventors:
David Lionel Rawlings, Michael DILLON
Patented Case
View Patent ↗
Granted: Apr 22, 1986
Filed: Mar 25, 1985
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.