Assignee
CHRISTY CONCRETE PRODUCTS INC
US·3 granted patents·108 citations·filing 1979–1991
Top patents by PatentIndex Score
3 records- 0183US4266380AHigh strength cover for underground utility boxCHRISTY CONCRETE PRODUCTS INC·Filed 1979·Granted May 12, 1981·50 cites·7 claims
- 0263US5134758ANiche construction and methodCHRISTY CONCRETE PRODUCTS INC·Filed 1991·Granted Aug 4, 1992·31 cites·7 claims
- 0359US4863059AUtility box construction and ring thereforCHRISTY CONCRETE PRODUCTS INC·Filed 1988·Granted Sep 5, 1989·27 cites·6 claims
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