Granted Patent
Utility
US 5,544,477 · App. 08/547,348
Method of producing chain links for fine jewelry rope chains
Inventor:
David Rozenwasser
Patented Case
View Patent ↗
Granted: Aug 13, 1996
Filed: Oct 24, 1995
Inventor
David Rozenwasser
Assignee (at issue)
Avraham Moshe Rozenwasser
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.