Granted Patent
Utility
US 4,408,141 · App. 06/337,046
Dual cathode beam mode fluorescent lamp
Inventors:
Wojciech W. Byszewski, A. Bowman Budinger, Joseph M. Proud
Patented Case
View Patent ↗
Granted: Oct 4, 1983
Filed: Jan 4, 1982
Inventors
Wojciech W. Byszewski
A. Bowman Budinger
Joseph M. Proud
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.