Granted Patent
Utility
US 4,584,472 · App. 06/582,114
Linear position encoder
Inventors:
Wayne T. Wiblin, Ronald D. Surma, Grant C. Melocik
Patented Case
View Patent ↗
Granted: Apr 22, 1986
Filed: Feb 21, 1984
Inventors
Wayne T. Wiblin
Ronald D. Surma
Grant C. Melocik
Assignee (at issue)
Caterpillar Industrial 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.