Frederick A. Wallis

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Shelley, Western Australia, AU

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Patents Grantslast 30 patents

Information Patent Grant
Adjustable arm
- Patent number 4,767,231
- Issue date Aug 30, 1988
- Frederick A. Wallis
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Adjustable arm
- Patent number 4,531,855
- Issue date Jul 30, 1985
- Frederick A. Wallis
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...