TREA

Making umbrella frames or members from wire

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Industry

  • CPC
  • B21F41/00
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21FWORKING OR PROCESSING OF METAL WIRE

Current Industry

B21F41/00Making umbrella frames or members from wire
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    2279349
    • Patent number 2,279,349
    • Issue date Apr 14, 1942
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1436893
    • Patent number 1,436,893
    • Issue date Nov 28, 1922
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...