Inventor
ROTH TIMOTHY JAY
US4 patents
Patents
4 patentsUS5711796AJan 27, 1998
Bituminous compositions having enhanced performance properties
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US5658972AAug 19, 1997
Fire retardant plastic construction material
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US5843222ADec 1, 1998
Modified cement and concrete compositions
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US5639298AJun 17, 1997
Modified gypsum compositions
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