John Robert Butler

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Lafayette, LA, US

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Patents Grantslast 30 patents

Information Patent Grant
Sterling silver alloy and articles made from the same
- Patent number 10,697,044
- Issue date Jun 30, 2020
- Stuller, Inc.
- John Robert Butler
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Sterling silver alloy and articles made from same
- Patent number 9,217,190
- Issue date Dec 22, 2015
- Stuller, Inc.
- John Robert Butler
- A44 - HABERDASHERY JEWELLERY
Information Patent Grant
Jewelry article of white precious metals and methods for making the...
- Patent number 9,194,024
- Issue date Nov 24, 2015
- Stuller, Inc.
- John Robert Butler
- A44 - HABERDASHERY JEWELLERY

Patents Applicationslast 30 patents

Information Patent Application
STERLING SILVER ALLOY AND ARTICLES MADE FROM SAME
- Publication number 20200308672
- Publication date Oct 1, 2020
- Stuller, Inc.
- JOHN ROBERT BUTLER
- B22 - CASTING POWDER METALLURGY
Information Patent Application
Sterling Silver Alloy and Articles Made from Same
- Publication number 20130112322
- Publication date May 9, 2013
- Stuller, Inc.
- John Robert Butler
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...