Inventor
CARLSON MICHAEL G
US7 patents
Patents
7 patentsUS5965053AOct 12, 1999
Penetratable form with stiffback
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US4978099ADec 18, 1990
Chamfer strip and adjustable corner squaring strip for a concrete column form
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US4976401ADec 11, 1990
Adjustable corner squaring strip for a concrete column form
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US4958800ASep 25, 1990
Locking hinge mechanism
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US4744541AMay 17, 1988
Multiple purpose concrete form
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US4708315ANov 24, 1987
Multiple purpose concrete form with side rail stiffeners
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US5080321AJan 14, 1992
Concrete form panel construction
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