Granted Patent
Utility
US 5,093,147 · App. 07/581,835
Providing intelligible markings
Inventors:
Paul G. Andrus, Thomas M. Dolash
Patented Case
View Patent ↗
Granted: Mar 3, 1992
Filed: Sep 12, 1990
Inventors
Paul G. Andrus
Thomas M. Dolash
Assignee (at issue)
Battelle Memorial Institute
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.