Michael Grassi

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Duluth, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic system including manifold, flush valve, and shut off
- Patent number 12,173,492
- Issue date Dec 24, 2024
- Wusch, Inc.
- Jeffrey Dirkers
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Hydraulic system including manifold, flush valve, and shut off
- Patent number 11,365,534
- Issue date Jun 21, 2022
- Jeffrey Dirkers
- E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

Information Patent Application
Hydraulic System Including Manifold, Flush Valve, and Shut Off
- Publication number 20220064925
- Publication date Mar 3, 2022
- F Squared Tech, Inc.
- Jeffrey Dirkers
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Hydraulic System Including Manifold, Flush Valve, and Shut Off
- Publication number 20200354936
- Publication date Nov 12, 2020
- F Squared Tech, Inc.
- Jeffrey Dirkers
- E03 - WATER SUPPLY SEWERAGE