Granted Patent
Utility
US 4,501,155 · App. 06/509,219
Compensated rheometer
Inventor:
Ronald F. Garritano
Patented Case
View Patent ↗
Granted: Feb 26, 1985
Filed: Jun 29, 1983
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.