Calvin K. Lee

Person

  • Pittsburgh, PA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for wood precharring

    • Patent number 4,170,668
    • Issue date Oct 9, 1979
    • The United States of America as represented by the Secretary of the Interior
    • Calvin K. Lee
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...