Granted Patent
Utility
US 4,887,154 · App. 07/201,062
Lamp assembly and receptacle
Inventors:
Thaddeus J. Wawro, Stanley R. English, Dominick Danna
Patented Case
View Patent ↗
Granted: Dec 12, 1989
Filed: Jun 1, 1988
Inventors
Thaddeus J. Wawro
Stanley R. English
Dominick Danna
Assignee (at issue)
Welch Allyn, 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.