Granted Patent
Utility
US 6,182,346 · App. 08/935,609
Method of retrofitting a concrete form
Inventors:
Robert J. Flathau, Alan E. Soltysik, Robert Spindler
Patented Case
View Patent ↗
Granted: Feb 6, 2001
Filed: Sep 23, 1997
Inventors
Robert J. Flathau
Alan E. Soltysik
Robert Spindler
Assignee (at issue)
Symons 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.