Granted Patent
Utility
US 5,454,152 · App. 08/120,631
Roller swaging tool
Inventor:
Amir P. Hosseinian
Patented Case
View Patent ↗
Granted: Oct 3, 1995
Filed: Sep 16, 1993
Inventor
Amir P. Hosseinian
Assignee (at issue)
Sierracin 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.