Granted Patent
Utility
US 4,518,897 · App. 06/336,971
Twin anode beam mode fluorescent lamp
Inventors:
Joseph M. Proud, A. Bowman Budinger, Leslie A. Riseberg, Wojciech W. Byszewski
Patented Case
View Patent ↗
Granted: May 21, 1985
Filed: Jan 4, 1982
Inventors
Joseph M. Proud
A. Bowman Budinger
Leslie A. Riseberg
Wojciech W. Byszewski
Assignee (at issue)
GTE Laboratories Incorporated
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.