Granted Patent
Utility
US 4,479,559 · App. 06/459,777
Method and apparatus for weighing material
Inventors:
R. Langdon Wales, H. W. Crowley
Patented Case
View Patent ↗
Granted: Oct 30, 1984
Filed: Jan 21, 1983
Inventors
R. Langdon Wales
H. W. Crowley
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.