Granted Patent
Utility
US 4,563,005 · App. 06/569,779
Apparatus for evaluating baseball pitching performance
Inventors:
Richard Hand, John L. Watkins
Patented Case
View Patent ↗
Granted: Jan 7, 1986
Filed: Jan 10, 1984
Inventors
Richard Hand
John L. Watkins
Assignee (at issue)
Fortune 100, 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.