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Oskar Alexander Hellwig
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Springfield, MA, US
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Patents Grants
last 30 patents
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Patent Grant
Key loop
Patent number
4,277,963
Issue date
Jul 14, 1981
Beatrice Foods Co.
Oskar A. Hellwig
A45 - HAND OR TRAVELLING ARTICLES
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Patent Grant
Key case head
Patent number
4,086,796
Issue date
May 2, 1978
Beatrice Foods Co.
Oskar Alexander Hellwig
A45 - HAND OR TRAVELLING ARTICLES
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Patent Grant
Key case head
Patent number
4,085,602
Issue date
Apr 25, 1978
Beatrice Foods Co.
Oskar Alexander Hellwig
A45 - HAND OR TRAVELLING ARTICLES