TREA

Bernard L. Dalsin

Follow

Person

  • Edina, MN, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Chimney damper
    • Patent number 4,554,863
    • Issue date Nov 26, 1985
    • Bernard Dalsin Manufacturing Company
    • Bernard L. Dalsin
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Air supply device for fireplaces
    • Patent number 4,186,719
    • Issue date Feb 5, 1980
    • Bernard Dalsin Manufacturing Company
    • Bernard L. Dalsin
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Cap-type flue damper
    • Patent number 4,020,754
    • Issue date May 3, 1977
    • Bernard L. Dalsin Co.
    • Bernard L. Dalsin
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES