John Poignard

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Woodstown, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for double faced wall
- Patent number 11,879,248
- Issue date Jan 23, 2024
- SINCE 1903, INC.
- John E. Ravelli
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method and apparatus for double faced wall
- Patent number 11,802,406
- Issue date Oct 31, 2023
- SINCE 1903, INC.
- John E. Ravelli
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Method and apparatus for double faced wall
- Patent number 10,883,267
- Issue date Jan 5, 2021
- E. P. Henry Corporation
- John E. Ravelli
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Block assembly and wall constructed therefrom
- Patent number 6,115,983
- Issue date Sep 12, 2000
- E. P. Henry Corporation
- John Poignard
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
Cast Stone Corner Hardscaping Block
- Publication number 20240159048
- Publication date May 16, 2024
- SINCE 1903, INC.
- John E. Ravelli
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Method And Apparatus For Double Faced Wall
- Publication number 20210254331
- Publication date Aug 19, 2021
- E.P. Henry Corporation
- John E. Ravelli
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Method And Apparatus For Double Faced Wall
- Publication number 20210230866
- Publication date Jul 29, 2021
- E.P. Henry Corporation
- John E. Ravelli
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
Method And Apparatus For Double Faced Wall
- Publication number 20180209142
- Publication date Jul 26, 2018
- E.P. Henry Corporation
- John E. Ravelli
- E04 - BUILDING