John D. Koch

Person

  • Greenwood, IN, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Process for the manufacture of ceiling tile

    • Patent number 5,194,206
    • Issue date Mar 16, 1993
    • Knauf Fiber Glass, GmbH
    • John D. Koch
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Method for forming ceiling tile

    • Patent number 5,076,985
    • Issue date Dec 31, 1991
    • Knauf Fiber Glass, GmbH
    • John D. Koch
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...