Granted Patent
Utility
US 4,415,270 · App. 06/434,741
Paint mixer container clamping device with inertially driven can rotating function
Inventors:
Robert P. Heinis, Eric Vass
Patented Case
View Patent ↗
Granted: Nov 15, 1983
Filed: Oct 18, 1982
Inventors
Robert P. Heinis
Eric Vass
Assignee (at issue)
Red Devil, Inc.
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.