Granted Patent
Utility
US 5,578,083 · App. 08/559,210
Voice prosthesis-cartridge assembly
Inventors:
Stephen W. Laguette, Edmund V. Seder
Patented Case
View Patent ↗
Granted: Nov 26, 1996
Filed: Nov 13, 1995
Inventors
Stephen W. Laguette
Edmund V. Seder
Assignee (at issue)
Helix Medical, 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.