Granted Patent
Utility
US 6,434,893 · App. 09/517,843
Apparatus and method for placing elevated concrete slabs
Inventor:
Philip J. Quenzi
Patented Case
View Patent ↗
Granted: Aug 20, 2002
Filed: Mar 2, 2000
Inventor
Philip J. Quenzi
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.