Vyvyan G. Williams

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Vankleek Hill, CA

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Patents Grantslast 30 patents

Information Patent Grant
Snow melting and removal vehicle
- Patent number 10,024,012
- Issue date Jul 17, 2018
- Vyvyan G. Williams
- B08 - CLEANING
Information Patent Grant
Pipeline repair apparatus and method
- Patent number 9,157,553
- Issue date Oct 13, 2015
- Vyvyan G. Williams
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...