Granted Patent
Utility
US 4,365,503 · App. 06/136,077
Apparatus for calibrating meter prover encoder
Inventors:
William Wai Yan Ho, William F. Hall, Harry W. Fisher, Eugene B. Perrine
Patented Case
View Patent ↗
Granted: Dec 28, 1982
Filed: Mar 28, 1980
Inventors
William Wai Yan Ho
William F. Hall
Harry W. Fisher
Eugene B. Perrine
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.