TREA

Donald J. Hirst

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  • Mt. Laurel, NJ, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Corrosion resistant self-priming alkyd topcoats
    • Patent number 5,539,032
    • Issue date Jul 23, 1996
    • The United States of America as represented by the Secretary of the Navy
    • Charles R. Hegedus
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Epoxy self-priming topcoats
    • Patent number 5,491,185
    • Issue date Feb 13, 1996
    • The United States of America as represented by the Secretary of the Navy
    • Charles R. Hegedus
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Polyurethane self-priming topcoats
    • Patent number 5,427,821
    • Issue date Jun 27, 1995
    • The United States of America as represented by the Secretary of the Navy
    • Charles R. Hegedus
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyurethane self-priming topcoats
    • Patent number 5,403,880
    • Issue date Apr 4, 1995
    • The United States of America as represented by the Secretary of the Navy
    • Charles R. Hegedus
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyurethane self-priming topcoats
    • Patent number 5,308,903
    • Issue date May 3, 1994
    • The United States of America as represented by the Secretary of the Navy
    • Charles R. Hegedus
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyurethane self-priming topcoats
    • Patent number 5,290,599
    • Issue date Mar 1, 1994
    • The United States of America as represented by the Secretary of the Navy
    • Charles R. Hegedus
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyurethane self-priming topcoats
    • Patent number 5,290,839
    • Issue date Mar 1, 1994
    • The United States of America as represented by the Secretary of the Navy
    • Charles R. Hegedus
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyurethane self-priming topcoats
    • Patent number 5,290,840
    • Issue date Mar 1, 1994
    • The United States of America as represented by the Secretary of the Navy
    • Charles R. Hegedus
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyurethane self-priming topcoats
    • Patent number 5,236,983
    • Issue date Aug 17, 1993
    • The United States of America as represented by the Secretary of the Navy
    • Charles R. Hegedus
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Epoxy self-priming topcoats
    • Patent number 5,202,367
    • Issue date Apr 13, 1993
    • The United States of America as represented by the Secretary of the Navy
    • Charles R. Hegedus
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Epoxy self-priming topcoat
    • Patent number 5,130,361
    • Issue date Jul 14, 1992
    • The United States of America as represented by the Secretary of the Navy
    • Charles R. Hegedus
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polyurethane self-priming topcoats
    • Patent number 5,124,385
    • Issue date Jun 23, 1992
    • The United States of America as represented by the Secretary of the Navy
    • Charles R. Hegedus
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Corrosion-resistant acrylic coatings
    • Patent number 5,100,942
    • Issue date Mar 31, 1992
    • The United States of America as represented by the Secretary of the Navy
    • Charles R. Hegedus
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Corrosion-resistant alkyd coatings
    • Patent number 5,089,551
    • Issue date Feb 18, 1992
    • The United States of America as represented by the Secretary of the Navy
    • Charles R. Hegedus
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Epoxy corrosion-resistant coating
    • Patent number 5,059,640
    • Issue date Oct 22, 1991
    • The United States of America as represented by the Secretary of the Navy
    • Charles R. Hegedus
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    High gloss corrosion-resistant coatings
    • Patent number 5,043,373
    • Issue date Aug 27, 1991
    • The United States of America as represented by the Secretary of the Navy
    • Charles R. Hegedus
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...