Granted Patent
Utility
US 4,817,416 · App. 07/206,035
On-line rheological measurements
Inventors:
John F. Blanch, Ronald F. Garritano, William D. Richards, Joseph C. Golba, Jr.
Patented Case
View Patent ↗
Granted: Apr 4, 1989
Filed: Jun 13, 1988
Inventors
John F. Blanch
Ronald F. Garritano
William D. Richards
Joseph C. Golba, Jr.
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.