Granted Patent
Utility
US 6,695,532 · App. 10/166,507
Concrete finishing apparatus
Inventors:
David W. Somero, David M. Somero, Philip J. Quenzi, Philip D. Halonen, Mark A. Pietila, Carl B. Kieranen, Paul H. Poyhonen, Robert A. Peterson
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: Jun 10, 2002
Inventors
David W. Somero
David M. Somero
Philip J. Quenzi
Philip D. Halonen
Mark A. Pietila
Carl B. Kieranen
Paul H. Poyhonen
Robert A. Peterson
Assignee (at issue)
Delaware Capital Formation, Inc.
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.