Gary R. Hass

Person

  • Amelia Island, FL, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for improved oil recovery

    • Patent number 4,706,749
    • Issue date Nov 17, 1987
    • Petroleum Fermentations N.V.
    • Michael E. Hayes
    • E21 - EARTH DRILLING MINING