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Harold W. Huffman
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Fairfield, OH, US
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Patents Grants
last 30 patents
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Patent Grant
Apparatus and method for jet drop printing
Patent number
4,090,205
Issue date
May 16, 1978
The Mead Corporation
Harold W. Huffman
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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Patent Grant
Multi-panel envelope form and method of producing same
Patent number
4,063,398
Issue date
Dec 20, 1977
Harold W. Huffman
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Differential driven rewinder-unwinder
Patent number
3,977,621
Issue date
Aug 31, 1976
The Hamilton Tool Company
Harold Walter Huffman
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Patent Grant
Multi-panel envelope form
Patent number
3,955,750
Issue date
May 11, 1976
Harold W. Huffman
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER