Granted Patent
Utility
US 5,762,451 · App. 08/806,632
Multi-piece, split bail expansion anchor
Inventors:
John C. Stankus, Song Guo, Frank Calandra, Jr.
Patented Case
View Patent ↗
Granted: Jun 9, 1998
Filed: Feb 26, 1997
Inventors
John C. Stankus
Song Guo
Frank Calandra, Jr.
Assignee (at issue)
Jennmar 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.