Granted Patent
Utility
US 5,690,531 · App. 08/735,005
Method for the manufacture of bent tube lamps
Inventors:
Robert A. Foss, Patrick M. Lewis, Michael P. Duffey
Patented Case
View Patent ↗
Granted: Nov 25, 1997
Filed: Oct 22, 1996
Inventors
Robert A. Foss
Patrick M. Lewis
Michael P. Duffey
Assignee (at issue)
UVP, 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.