Granted Patent
Utility
US 4,275,721 · App. 06/096,553
Vein catheter bandage
Inventor:
Karin S. B. Olson
Patented Case
View Patent ↗
Granted: Jun 30, 1981
Filed: Nov 21, 1979
Inventor
Karin S. B. Olson
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.