Granted Patent
Utility
US 3,976,122 · App. 05/563,577
Combination refrigerator-thawer apparatus
Inventor:
Graham B. Neidhardt
Patented Case
View Patent ↗
Granted: Aug 24, 1976
Filed: Mar 31, 1975
Inventor
Graham B. Neidhardt
Assignee (at issue)
MCGRAW-EDISON 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.