Granted Patent
Utility
US 5,883,475 · App. 08/877,769
Method of avoiding acoustic compression wave resonance in high frequency, high intensity discharge lamps
Inventor:
Denny D. Beasley
Patented Case
View Patent ↗
Granted: Mar 16, 1999
Filed: Jun 17, 1997
Inventor
Denny D. Beasley
Assignee (at issue)
Delta Power Supply, 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.