Granted Patent
Utility
US 4,307,961 · App. 06/026,264
Apparatus for precisely aligning a pair of elements
Inventors:
Frank H. Blitchington, Jack C. Hetherington
Patented Case
View Patent ↗
Granted: Dec 29, 1981
Filed: Apr 2, 1979
Inventors
Frank H. Blitchington
Jack C. Hetherington
Assignee (at issue)
Western Electric Company, 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.