Inventor · disambiguated record

Robert Spearman

Also filed as: SPEARMAN ROBERT DONALD ALDO · SPEARMAN ROBERT R

1 granted patent·1 pending application·36 citations·filing 1975–2001

46Inventor score

Technology areasA47L G02B

Files withSPEARMAN ROBERT R1

Top patents by PatentIndex Score

2 records

0167US3952532AUnderwater trenching and cable laying apparatusSPEARMAN ROBERT R·Filed 1975·Granted Apr 27, 1976·36 cites·11 claims
0226US2001022009A1Installations and arrangementsFiled 2001·Application pending·0 cites

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