Granted Patent
Utility
US 4,538,458 · App. 06/526,733
Temperature compensated gas meters
Inventors:
Daniel E. Bruce, John L. Esola
Patented Case
View Patent ↗
Granted: Sep 3, 1985
Filed: Aug 26, 1983
Inventors
Daniel E. Bruce
John L. Esola
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.