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Ronald L. Cass
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Ft. Myers, FL, US
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last 30 patents
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Patent Grant
Adjustable apparatus for forming voids in concrete
Patent number
5,156,755
Issue date
Oct 20, 1992
Ronald L. Cass
E04 - BUILDING
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Patent Grant
Apparatus for forming voids in concrete
Patent number
4,998,705
Issue date
Mar 12, 1991
Ronald L. Cass
E04 - BUILDING