Inventor · disambiguated record
Leonard B. Crast, Jr.
Also filed as: CRAST JR LEONARD B · CRAST JR LEONARD BRUCE
4 granted patents·68 citations·filing 1974–1991
77Inventor score
Top patents by PatentIndex Score
4 records- 0192US3985741AProduction of p-hydroxycephalexinBRISTOL MYERS CO·Filed 1974·Granted Oct 12, 1976·35 cites·2 claims
- 0263US4125716AMethoxymethyl esters of substituted imidazolidinyl-3-methyl-3-cephem-4-carboxylic acidsBRISTOL MYERS CO·Filed 1977·Granted Nov 14, 1978·4 cites·3 claims
- 0355US4694079A3-propenyl cephalosporin solvatesBRISTOL MYERS CO·Filed 1985·Granted Sep 15, 1987·25 cites·4 claims
- 0442US5227370APradimicin derivativesBRISTOL MYERS SQUIBB CO·Filed 1991·Granted Jul 13, 1993·4 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →