TREA

Harry S. Barr Jr.

Follow

Person

  • Charlotte, NC, US
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Cotton gin filter
    • Patent number 4,318,721
    • Issue date Mar 9, 1982
    • Pneumafil Corporation
    • Harry S. Barr
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Air filtering apparatus
    • Patent number 3,951,627
    • Issue date Apr 20, 1976
    • Pneumafil Corporation
    • Harry S. Barr
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL