TREA

William M. Del Zotto

Follow

Person

  • Duluth, MN, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Septic tank form
    • Patent number 7,731,149
    • Issue date Jun 8, 2010
    • Del Zotto Products, Inc.
    • William M. Del Zotto
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Modular steel tank with casting wall
    • Patent number 5,881,760
    • Issue date Mar 16, 1999
    • William M. Del Zotto
    • B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
  • Information Patent Grant

    Self-contained fueling system and method
    • Patent number 5,865,346
    • Issue date Feb 2, 1999
    • William M. Del Zotto
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Modular curb and sewer casting form
    • Patent number 5,720,467
    • Issue date Feb 24, 1998
    • William M. Del Zotto
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Portable reduction grinder
    • Patent number D381666
    • Issue date Jul 29, 1997
    • William M. Del Zotto
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Compact reduction grinder
    • Patent number 5,645,234
    • Issue date Jul 8, 1997
    • William M. Del Zotto
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Above-grade storage vault
    • Patent number 5,582,310
    • Issue date Dec 10, 1996
    • Guardian Containment Corp.
    • William M. Del Zotto
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Storage vault cover casting assembly
    • Patent number 5,454,544
    • Issue date Oct 3, 1995
    • Guardian Containment Corp.
    • William M. Del Zotto
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Concrete hole former
    • Patent number 5,381,995
    • Issue date Jan 17, 1995
    • William M. Del Zotto
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Above-grade storage vault
    • Patent number 5,285,914
    • Issue date Feb 15, 1994
    • William M. Del Zotto
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Portable hydraulic shredder
    • Patent number 5,197,682
    • Issue date Mar 30, 1993
    • William M. Del Zotto
    • B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
  • Information Patent Grant

    Method for casting a resilient bulkhead gasket
    • Patent number 5,171,507
    • Issue date Dec 15, 1992
    • William M. Del Zotto
    • B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

  • Information Patent Application

    SEPTIC TANK FORM
    • Publication number 20100308487
    • Publication date Dec 9, 2010
    • DEL ZOTTO PRODUCTS, INC.
    • William M. Del Zotto
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Application

    Septic tank form
    • Publication number 20060065994
    • Publication date Mar 30, 2006
    • William M. Del Zotto
    • B28 - WORKING CEMENT, CLAY, OR STONE