Granted Patent
Utility
US 4,897,530 · App. 07/305,149
Meter base drive assembly
Inventors:
Richard J. Hendrickson, Ward J. Payn
Patented Case
View Patent ↗
Granted: Jan 30, 1990
Filed: Feb 1, 1989
Inventors
Richard J. Hendrickson
Ward J. Payn
Assignee (at issue)
F.M.E. 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.