Granted Patent
Utility
US 4,430,644 · App. 06/317,038
Encoding apparatus having an acoustic member with mirror-image tabs
Inventors:
Raymond A. Blanchard, Jr., Kenneth E. Garey
Patented Case
View Patent ↗
Granted: Feb 7, 1984
Filed: Nov 2, 1981
Inventors
Raymond A. Blanchard, Jr.
Kenneth E. Garey
Assignee (at issue)
SCM Consultants, Inc.
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.