Granted Patent
Utility
US 5,752,305 · App. 08/454,296
Self-piercing riveting method and apparatus
Inventors:
Alf Cotterill, Stuart Edmond Blacket, Sumanjit Singh
Patented Case
View Patent ↗
Granted: May 19, 1998
Filed: Mar 1, 1996
Inventors
Alf Cotterill
Stuart Edmond Blacket
Sumanjit Singh
Assignee (at issue)
Henrob Limited
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.