Granted Patent
Utility
US 4,602,692 · App. 06/658,899
Method and apparatus for weighing material
Inventors:
R. Langdon Wales, H. W. Crowley
Patented Case
View Patent ↗
Granted: Jul 29, 1986
Filed: Oct 9, 1984
Inventors
R. Langdon Wales
H. W. Crowley
Assignee (at issue)
Automaton, Inc.
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.