Granted Patent
Utility
US 5,952,015 · App. 08/828,260
Concrete product mold inserting and removing apparatus and method
Inventors:
James W. DeWyre, Duane A. Rondeau
Patented Case
View Patent ↗
Granted: Sep 14, 1999
Filed: Mar 21, 1997
Inventors
James W. DeWyre
Duane A. Rondeau
Assignee (at issue)
BESSER COMPANY
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.