Granted Patent
Utility
US 5,724,257 · App. 08/635,291
Foundry sand testing apparatus and system
Inventors:
Ricardo Mario Gerosa, Horacio Marcelo Gerosa, Scott M. Strobl
Patented Case
View Patent ↗
Granted: Mar 3, 1998
Filed: Apr 19, 1996
Inventors
Ricardo Mario Gerosa
Horacio Marcelo Gerosa
Scott M. Strobl
Assignee (at issue)
Simpson Technologies Corporation
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.