Granted Patent
Utility
US 4,906,926 · App. 07/194,339
Proximity sensor for hostile environments
Inventors:
Steven A. Rogacki, Robert M. Carabbio, Alfred F. Herbermann
Patented Case
View Patent ↗
Granted: Mar 6, 1990
Filed: May 16, 1988
Inventors
Steven A. Rogacki
Robert M. Carabbio
Alfred F. Herbermann
Assignee (at issue)
Syron Engineering & Manufacturing, LLC
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.