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David M. Sanborn

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  • Roswell, GA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Direct heated adsorbent bed heat pump
    • Patent number 5,505,059
    • Issue date Apr 9, 1996
    • Gas Research Institute
    • David M. Sanborn
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Method of manufacturing a heat exchanger
    • Patent number 4,434,539
    • Issue date Mar 6, 1984
    • E-Tech, Inc.
    • David M. Sanborn
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Connection assembly
    • Patent number 4,385,723
    • Issue date May 31, 1983
    • E-Tech, Inc.
    • David M. Sanborn
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Helically flighted heat exchanger
    • Patent number 4,316,502
    • Issue date Feb 23, 1982
    • E-Tech, Inc.
    • David M. Sanborn
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...