Granted Patent
Utility
US 4,092,955 · App. 05/729,317
Roughness sensor
Inventor:
Junuthula N. Reddy
Patented Case
View Patent ↗
Granted: Jun 6, 1978
Filed: Oct 4, 1976
Inventor
Junuthula N. Reddy
Assignee (at issue)
Bendix Limited
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.