Granted Patent
Utility
US 5,755,065 · App. 08/638,886
Method and apparatus for forming an anchorage of a post-tension system
Inventor:
Felix L. Sorkin
Patented Case
View Patent ↗
Granted: May 26, 1998
Filed: Apr 25, 1996
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.