Granted Patent
Utility
US 4,616,296 · App. 06/763,342
Lamp
Inventors:
Donald J. Westgaard, Scott L. Roos
Patented Case
View Patent ↗
Granted: Oct 7, 1986
Filed: Aug 7, 1985
Inventors
Donald J. Westgaard
Scott L. Roos
Assignee (at issue)
Alkco Manufacturing Company
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.