Granted Patent
Utility
US 5,397,202 · App. 08/299,122
Anchor bolt installation method
Inventors:
Samuel E. Shrader, Harry C. Tritapoe
Patented Case
View Patent ↗
Granted: Mar 14, 1995
Filed: Sep 2, 1994
Inventors
Samuel E. Shrader
Harry C. Tritapoe
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND 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.