Granted Patent
Utility
US 5,056,207 · App. 07/464,813
Method of attaching a self-piercing and riveting fastener and improved die member
Inventor:
Harold A. Ladouceur
Patented Case
View Patent ↗
Granted: Oct 15, 1991
Filed: Jan 16, 1990
Inventor
Harold A. Ladouceur
Assignee (at issue)
Multifastener 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.