Granted Patent
Utility
US 5,197,982 · App. 07/776,822
Adjustable prosthetic device for vocal cord and method
Inventors:
Manning M. Goldsmith, III, Bruce W. Pearson
Patented Case
View Patent ↗
Granted: Mar 30, 1993
Filed: Oct 15, 1991
Inventors
Manning M. Goldsmith, III
Bruce W. Pearson
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.