Granted Patent
Utility
US 5,966,679 · App. 08/939,364
Method of and apparatus for nonobtrusively obtaining on-line measurements of a process control device parameter
Inventors:
Jimmie L. Snowbarger, Eugene R. Taylor, Jr., Bruce F. Grumstrup, Kenneth W. Junk
Patented Case
View Patent ↗
Granted: Oct 12, 1999
Filed: Sep 29, 1997
Inventors
Jimmie L. Snowbarger
Eugene R. Taylor, Jr.
Bruce F. Grumstrup
Kenneth W. Junk
Assignee (at issue)
Fisher Controls International LLC
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.