Granted Patent
Utility
US 5,457,611 · App. 08/089,251
Ambient air cooled light emitting instrument
Inventor:
Gregory Rudolph Verderber
Patented Case
View Patent ↗
Granted: Oct 10, 1995
Filed: Jul 9, 1993
Inventor
Gregory Rudolph Verderber
Assignee (at issue)
Gregg Laboratories, Inc.
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.