Granted Patent
Utility
US 4,354,159 · App. 06/230,215
Prescription attenuator having cascaded L-pad sections
Inventors:
Ian A. Schorr, Mark J. Beegle
Patented Case
View Patent ↗
Granted: Oct 12, 1982
Filed: Feb 2, 1981
Inventors
Ian A. Schorr
Mark J. Beegle
Assignee (at issue)
Rockwell International Corporation
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.