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John P. Hayashida
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Waterloo, CA
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last 30 patents
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Patent Grant
Portable emergency shelter
Patent number
4,872,470
Issue date
Oct 10, 1989
Her Majesty the Queen in right of Canada
John P. Hayashida
E04 - BUILDING
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Patent Grant
Tent
Patent number
4,716,918
Issue date
Jan 5, 1988
Her Majesty the Queen in right of Canada
John P. Hayashida
E04 - BUILDING