John Robert Butler

ST Stuller: 3 patents #1 of 10Top 10%

Overall (All Time): #1,453,006 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
10697044	Sterling silver alloy and articles made from the same	—	2020-06-30
9217190	Sterling silver alloy and articles made from same	—	2015-12-22
9194024	Jewelry article of white precious metals and methods for making the same	—	2015-11-24