Granted Patent
Utility
US 5,205,158 · App. 07/736,576
Sampling rheometer and method
Inventor:
Theodore N. Janulis
Patented Case
View Patent ↗
Granted: Apr 27, 1993
Filed: Jul 26, 1991
Inventor
Theodore N. Janulis
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.