TREA

Rudolph Stegmann

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  • Wellsville, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-purpose valve assembly
    • Patent number 4,685,310
    • Issue date Aug 11, 1987
    • Frick Company
    • Rudolph Stegmann
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Single casing, multiple duty valve
    • Patent number 4,227,380
    • Issue date Oct 14, 1980
    • Frick Company
    • F. Michael Laucks
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...