TREA

David C. PRINCZ

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  • Paris, CA
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    CONDUIT GUIDE FOR CONDUIT LAYING MACHINE
    • Publication number 20240167584
    • Publication date May 23, 2024
    • ROBERTS WELDING & FABRICATING LTD.
    • Robert W. H. HALL
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Application

    REMOVABLY MOUNTED PLOW FOR ELONGATED TUBULAR MATERIALS
    • Publication number 20230189682
    • Publication date Jun 22, 2023
    • ROBERTS WELDING & FABRICATING LTD.
    • Robert W. H. HALL
    • A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
  • Information Patent Application

    REMOVABLY MOUNTED PLOW FOR ELONGATED TUBULAR MATERIALS
    • Publication number 20210015022
    • Publication date Jan 21, 2021
    • ROBERTS WELDING & FABRICATING LTD.
    • Robert W. H. HALL
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER