Granted Patent
Utility
US 4,451,383 · App. 06/074,955
Recyclable hot pad
Inventor:
Gustaf O. Arrhenius
Patented Case
View Patent ↗
Granted: May 29, 1984
Filed: Sep 13, 1979
Inventor
Gustaf O. Arrhenius
Assignee (at issue)
American Hospital Supply Corp.
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.