Granted Patent
Utility
US 6,560,939 · App. 09/810,272
Intermediate anchor and intermediate anchorage system for a post-tension system
Inventor:
Felix L. Sorkin
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Mar 19, 2001
Inventor
Felix L. Sorkin
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.