Inventor · disambiguated record

Leonard W. Swain

Also filed as: SWAIN LEONARD W

2 granted patents·87 citations·filing 1975–1976

63Inventor score

Technology areasB67D

Files withEMCO LTD1 EMCO WHEATON1

Top patents by PatentIndex Score

2 records

0188US3982571AVapor recovery nozzle with mechanical flow interlockEMCO WHEATON·Filed 1975·Granted Sep 28, 1976·83 cites·1 claims
0231US4040455AAutomatic shut off for gravity filling system for liquid storage tanksEMCO LTD·Filed 1976·Granted Aug 9, 1977·4 cites·7 claims

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Leonard W. Swain — Patent Inventor | PatentIndex