Granted Patent
Utility
US 4,526,467 · App. 06/399,749
Apparatus and methods for testing lens structure
Inventor:
Stephen D. Fantone
Patented Case
View Patent ↗
Granted: Jul 2, 1985
Filed: Jul 19, 1982
Inventor
Stephen D. Fantone
Assignee (at issue)
Polaroid 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.