Granted Patent
Utility
US 5,000,578 · App. 07/487,681
Food mixing appliance
Inventors:
Robert L. Artin, Mark A. Kubale
Patented Case
View Patent ↗
Granted: Mar 19, 1991
Filed: Mar 2, 1990
Inventors
Robert L. Artin
Mark A. Kubale
Assignee (at issue)
Sunbeam Corporation Limited
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.