Granted Patent
Utility
US 4,930,935 · App. 07/291,678
Screeding apparatus and method
Inventors:
Philip J. Quenzi, David W. Somero, Paul J. Somero
Patented Case
View Patent ↗
Granted: Jun 5, 1990
Filed: Dec 29, 1988
Inventors
Philip J. Quenzi
David W. Somero
Paul J. Somero
Assignee (at issue)
David W. Somero
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.