John C. Preston

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North Parramatta, N.S.W., 2151, AU

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Patents Grantslast 30 patents

Information Patent Grant
Set-up bracket for scaffolding
- Patent number 5,156,235
- Issue date Oct 20, 1992
- John C. Preston
- E04 - BUILDING
Information Patent Grant
Scaffolding
- Patent number 5,127,492
- Issue date Jul 7, 1992
- John C. Preston
- E04 - BUILDING
Information Patent Grant
Scaffolding module and method erecting same
- Patent number 4,858,726
- Issue date Aug 22, 1989
- John C. Preston
- E04 - BUILDING
Information Patent Grant
Scaffolding module and method of erecting same
- Patent number 4,773,506
- Issue date Sep 27, 1988
- John C. Preston
- E04 - BUILDING
Information Patent Grant
Safety-catch scaffolding system
- Patent number 4,129,197
- Issue date Dec 12, 1978
- John C. Preston
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
Scaffolding
- Publication number 20210180341
- Publication date Jun 17, 2021
- John C. Preston
- E04 - BUILDING
Information Patent Application
SCAFFOLDING
- Publication number 20130048430
- Publication date Feb 28, 2013
- John C. Preston
- E04 - BUILDING