Granted Patent
Utility
US 5,829,922 · App. 08/652,791
Cable bolt head
Inventors:
Frank Calandra, Jr., Eugene H. Stewart, Stanley Ponce, John G. Oldsen, John C. Stankus, Brian R. Castle, Robert Nestor
Patented Case
View Patent ↗
Granted: Nov 3, 1998
Filed: May 23, 1996
Inventors
Frank Calandra, Jr.
Eugene H. Stewart
Stanley Ponce
John G. Oldsen
John C. Stankus
Brian R. Castle
Robert Nestor
Assignee (at issue)
Jenmar 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.