Granted Patent
Utility
US 4,601,195 · App. 06/722,150
Apparatus and method for measuring viscoelastic properties of materials
Inventor:
Ronald F. Garritano
Patented Case
View Patent ↗
Granted: Jul 22, 1986
Filed: Apr 11, 1985
Inventor
Ronald F. Garritano
Assignee (at issue)
Rheometrics, 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.