Norman Campbell

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Burlington, VT, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of making helical assembly
- Patent number 4,043,499
- Issue date Aug 23, 1977
- General Electric Company
- Joseph Dix
- F41 - WEAPONS
Information Patent Grant
Structure for article handling systems
- Patent number 4,004,490
- Issue date Jan 25, 1977
- General Electric Company
- Joseph Dix
- F41 - WEAPONS