TREA

Hubert Ehrenfellner

Follow

Person

  • British Columbia, CA
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Edge stabilized wood composite panel
    • Patent number 4,879,160
    • Issue date Nov 7, 1989
    • MacMillan Bloedel Limited
    • Robert M. Knudson
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Preservative treated composite wood product
    • Patent number 4,643,860
    • Issue date Feb 17, 1987
    • MacMillan Bloedel Limited
    • Robert M. Knudson
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Grant

    Apparatus for laying a mat of wood strands
    • Patent number 4,494,919
    • Issue date Jan 22, 1985
    • MacMillan Bloedel Limited
    • Robert M. Knudson
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...