Granted Patent
Utility
US 5,201,576 · App. 07/876,922
Shadowless spherical illumination system for use in an article inspection system
Inventor:
Henry P. Squyres
Patented Case
View Patent ↗
Granted: Apr 13, 1993
Filed: Apr 30, 1992
Inventor
Henry P. Squyres
Assignee (at issue)
Simco/Ramic 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.