Granted Patent
Utility
US 5,331,968 · App. 08/032,835
Inductive plethysmographic transducers and electronic circuitry therefor
Inventors:
Gerald J. Williams, Herman L. Watson, Marvin A. Sackner, Chu Pak, James Wei Weng Chong
Patented Case
View Patent ↗
Granted: Jul 26, 1994
Filed: Mar 10, 1993
Inventors
Gerald J. Williams
Herman L. Watson
Marvin A. Sackner
Chu Pak
James Wei Weng Chong
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.