Granted Patent
Utility
US 5,233,200 · App. 07/812,671
Method and apparatus for contactless monitoring of tension in a moving fiber
Inventors:
Frank Vincent DiMarcello, Arthur Clifford Hart, Jr., Richard G. Huff, Kenneth L. Walker
Patented Case
View Patent ↗
Granted: Aug 3, 1993
Filed: Dec 23, 1991
Inventors
Frank Vincent DiMarcello
Arthur Clifford Hart, Jr.
Richard G. Huff
Kenneth L. Walker
Assignee (at issue)
AT&T Bell Laboratories
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.