Granted Patent
Utility
US 4,145,893 · App. 05/837,370
Diversion defrost display cabinet
Inventor:
Robert E. Vogel
Patented Case
View Patent ↗
Granted: Mar 27, 1979
Filed: Sep 28, 1977
Inventor
Robert E. Vogel
Assignee (at issue)
KYSOR INDUSTRIAL 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.