Granted Patent
Utility
US 4,905,669 · App. 07/315,214
Laryngoscope
Inventors:
James R. Bullard, Richard P. Muller, Benedett Grossi, John Christine
Patented Case
View Patent ↗
Granted: Mar 6, 1990
Filed: Feb 23, 1989
Inventors
James R. Bullard
Richard P. Muller
Benedett Grossi
John Christine
Assignee (at issue)
James Roger Bullard
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.