Assignee

LOCKSHAW JAMES J

US·1 granted patent·48 citations·filing 1991–1991

Technology mixB32B1 B64C1 E04C1 Y02T1 Y10T1

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1 record

0171US5273806AStructural element with interlocking ribbingLOCKSHAW JAMES J·Filed 1991·Granted Dec 28, 1993·48 cites·3 claims

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