Granted Patent
Utility
US 4,101,404 · App. 05/700,659
Hot gas measuring device
Inventors:
Robert N. Blumenthal, Andreas T. Melville
Patented Case
View Patent ↗
Granted: Jul 18, 1978
Filed: Jun 28, 1976
Inventors
Robert N. Blumenthal
Andreas T. Melville
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.