Patents Assigned to Metropolitan Mosquito Control District
  • Timed release pest control composition and means
    Patent number: 4732762
    Abstract: A controlled slow release pest control composition comprising an encapsulated pesticide, carbon and plaster.
    Type: Grant
    Filed: March 20, 1985
    Date of Patent: March 22, 1988
    Assignee: Metropolitan Mosquito Control District
    Inventor: Robert D. Sjogren
  • Timed release fertilizer composition and means
    Patent number: 4670039
    Abstract: A controlled slow release fertilizer composition comprising an encapsulated fertilizer, carbon and plaster.
    Type: Grant
    Filed: March 7, 1986
    Date of Patent: June 2, 1987
    Assignee: Metropolitan Mosquito Control District
    Inventor: Robert D. Sjogren