Granted Patent
Utility
US 4,803,607 · App. 07/143,554
Surgical operating room lamp or similar lamp
Inventor:
Stig Jonsson
Patented Case
View Patent ↗
Granted: Feb 7, 1989
Filed: Jan 19, 1988
Inventor
Stig Jonsson
Assignee (at issue)
Landstingens Inkopscentral, Lic, Ekonomisk Forening
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.