Granted Patent
Utility
US 6,729,079 · App. 09/915,992
Concrete anchor
Inventors:
Sidney E. Francies, III, Harry B. Lancelot, III
Patented Case
View Patent ↗
Granted: May 4, 2004
Filed: Jul 26, 2001
Inventors
Sidney E. Francies, III
Harry B. Lancelot, III
Assignee (at issue)
DAYTON SUPERIOR 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.