Robert Sherwood

Person

  • Almont, MI, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Turf cover for a water drainage system

    • Patent number 11,619,038
    • Issue date Apr 4, 2023
    • Robert Sherwood
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Filtration system for a water drainage system

    • Patent number 11,471,796
    • Issue date Oct 18, 2022
    • Robert Sherwood
    • E04 - BUILDING
  • Information Patent Grant

    Turf cover and emitter for a water drainage system

    • Patent number 11,371,233
    • Issue date Jun 28, 2022
    • Robert Sherwood
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Sump system

    • Patent number 10,982,423
    • Issue date Apr 20, 2021
    • Robert Sherwood
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Sump system

    • Patent number 10,968,618
    • Issue date Apr 6, 2021
    • Robert Sherwood
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Sump system

    • Patent number 10,669,708
    • Issue date Jun 2, 2020
    • Robert Sherwood
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Patents Applicationslast 30 patents