Granted Patent
Utility
US 4,222,374 · App. 05/916,129
Septum locating apparatus
Inventors:
Edward J. Sampson, Frank R. Prosl
Patented Case
View Patent ↗
Granted: Sep 16, 1980
Filed: Jun 16, 1978
Inventors
Edward J. Sampson
Frank R. Prosl
Assignee (at issue)
Metal Bellows 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.