James Johnson

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Clive, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Self-stripping corner form
- Patent number 11,008,765
- Issue date May 18, 2021
- Wilian Holding Co.
- James Johnson
- E04 - BUILDING
Information Patent Grant
Wall-climbing concrete form lifting system
- Patent number 10,914,083
- Issue date Feb 9, 2021
- Wilian Holding Co.
- James Johnson
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
SELF-STRIPPING CORNER FORM
- Publication number 20190383044
- Publication date Dec 19, 2019
- Wilian Holding Co.
- James Johnson
- E04 - BUILDING
Information Patent Application
CONCRETE FORMING SYSTEM
- Publication number 20190376301
- Publication date Dec 12, 2019
- Wilian Holding Company
- James Johnson
- E04 - BUILDING