Granted Patent
Utility
US 4,380,794 · App. 06/274,055
Surgical lamp characterized by having an improved reflector
Inventor:
Alfred C. Lawson
Patented Case
View Patent ↗
Granted: Apr 19, 1983
Filed: Jun 15, 1981
Inventor
Alfred C. Lawson
Assignee (at issue)
Sybron Corporation
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.