John E. Field, JR.

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Dorrington, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Mechanical climbing aid of the cam type
- Patent number 7,802,770
- Issue date Sep 28, 2010
- Metolius Mountain Products, Inc.
- John E. Field, Jr.
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Mechanical climbing aid of the cam type
- Patent number 7,740,223
- Issue date Jun 22, 2010
- Metolius Mountain Products, Inc.
- John E. Field, Jr.
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Mechanical Climbing Aid of the Cam Type
- Publication number 20100207002
- Publication date Aug 19, 2010
- Metolius Mountain Products, Inc.
- John E. Field, JR.
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
Mechanical Climbing Aid of the Cam Type
- Publication number 20090152421
- Publication date Jun 18, 2009
- Metolius Mountain Products, Inc.
- John E. Field, JR.
- A63 - SPORTS GAMES AMUSEMENTS