Philip L. Johnson

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Spring Lake, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Permeable water-resistive sloped roof underlayment/air barrier
- Patent number 12,104,380
- Issue date Oct 1, 2024
- Vaproshield LLC
- Philip L. Johnson
- E04 - BUILDING
Information Patent Grant
Permeable water resistive roof underlayment
- Patent number 12,024,893
- Issue date Jul 2, 2024
- VAPROSHIELD, LLC
- Philip L. Johnson
- E04 - BUILDING
Information Patent Grant
Permeable water resistive roof underlayment
- Patent number 11,525,265
- Issue date Dec 13, 2022
- VAPROSHIELD, LLC
- Philip L. Johnson
- E04 - BUILDING
Information Patent Grant
Permeable water-resistive sloped roof underlayment/air barrier
- Patent number 11,512,473
- Issue date Nov 29, 2022
- Vaproshield LLC
- Philip L. Johnson
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
PERMEABLE WATER-RESISTIVE SLOPED ROOF UNDERLAYMENT/AIR BARRIER
- Publication number 20230175266
- Publication date Jun 8, 2023
- VAPROSHIELD LLC
- Philip L. Johnson
- E04 - BUILDING
Information Patent Application
PERMEABLE WATER RESISTIVE ROOF UNDERLAYMENT
- Publication number 20230175264
- Publication date Jun 8, 2023
- VAPROSHEILD LLC
- Philip L. Johnson
- E04 - BUILDING
Information Patent Application
Permeable water-resistive sloped roof underlayment/air barrier
- Publication number 20200190806
- Publication date Jun 18, 2020
- VAPROSHIELD LLC
- Philip L. Johnson
- E04 - BUILDING
Information Patent Application
Permeable water resistive roof underlayment
- Publication number 20200087916
- Publication date Mar 19, 2020
- VaproShield, LLC
- Philip L. Johnson
- E04 - BUILDING