Granted Patent
Utility
US 5,607,527 · App. 08/305,735
Method of making fabric reinforced concrete columns to provide earthquake protection
Inventor:
Frederick P. Isley, Jr.
Patented Case
View Patent ↗
Granted: Mar 4, 1997
Filed: Sep 14, 1994
Inventor
Frederick P. Isley, Jr.
Assignee (at issue)
Hexcel 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.