Inventor · disambiguated record
Douglas Langton
Also filed as: LANGTON DOUGLAS · LANGTON DOUGLAS W
4 granted patents·125 citations·filing 1987–1989
78Inventor score
Technology areasB65H
Files withEMF CORP4
Top patents by PatentIndex Score
4 records- 0191US4817934ADual tote sorter and stackerEMF CORP·Filed 1987·Granted Apr 4, 1989·83 cites·16 claims
- 0278US4890825APaper sheet stacking and jogging apparatusEMF CORP·Filed 1988·Granted Jan 2, 1990·25 cites·24 claims
- 0366US5054764AEdge aligner/holder deviceEMF CORP·Filed 1989·Granted Oct 8, 1991·16 cites·15 claims
- 0428US4982941ASlotted link side-to-side jogging apparatusEMF CORP·Filed 1989·Granted Jan 8, 1991·1 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →