Granted Patent
Utility
US 4,391,139 · App. 06/351,827
Plastic water meter main case
Inventors:
Ray Sutherland, Mark S. Wood
Patented Case
View Patent ↗
Granted: Jul 5, 1983
Filed: Feb 24, 1982
Inventors
Ray Sutherland
Mark S. Wood
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.