Inventor · disambiguated record
Keith Louis Amdahl
Also filed as: AMDAHL KEITH · AMDAHL KEITH L · AMDAHL KEITH LOUIS
13 granted patents·3 pending applications·446 citations·filing 1993–2019
94Inventor score
Top patents by PatentIndex Score
16 records- 0194US9430892B2Locker rental system using external codesSMARTE CARTE INC·Filed 2014·Granted Aug 30, 2016·51 cites·20 claims
- 0290US8500012B2Locker system using barcoded wristbandsAMDAHL KEITH LOUIS·Filed 2012·Granted Aug 6, 2013·40 cites·34 claims
- 0389US9558608B2Electronic locker right acquisition via an external systemSMARTE CARTE INC·Filed 2014·Granted Jan 31, 2017·18 cites·17 claims
- 0488US8714452B2System for dispensing wristbands with unique indiciaSMARTE CARTE INC·Filed 2013·Granted May 6, 2014·15 cites·7 claims
- 0587US9158946B2Locker system using barcoded wristbandsSMARTE CARTE INC·Filed 2014·Granted Oct 13, 2015·14 cites·15 claims
- 0685US5921373ACart management systemSMART CARTE INC·Filed 1995·Granted Jul 13, 1999·63 cites·36 claims
- 0780US6125985ACart management systemSMARTE CARTE INC·Filed 1999·Granted Oct 3, 2000·54 cites·4 claims
- 0874US7857108B2Brake assembly and control mechanism for a cart, and methodSMARTE CARTE INC·Filed 2008·Granted Dec 28, 2010·11 cites·20 claims
- 0969US5526916ACart management systemSMARTE CARTE INC·Filed 1994·Granted Jun 18, 1996·61 cites·65 claims
- 1062US6142283ACart management systemSMARTE CARTE INC·Filed 1999·Granted Nov 7, 2000·58 cites·5 claims
- 1153US6024203ACart management system and methodSMARTE CARTE INC·Filed 1997·Granted Feb 15, 2000·44 cites·19 claims
- 1250US2007267834A1Child strollerAMDAHL KEITH·Filed 2007·Application pending·0 cites
- 1349US2016035166A1Locker system using barcoded wristbandsSMARTE CARTE INC·Filed 2015·Application pending·0 cites
- 1449US2020387959A1Dynamic regulation of item and service leasesTIBURON LOCKERS INC·Filed 2019·Application pending·0 cites
- 1537US5342074ADual recumbent vehicleJUST TWO BIKES INC·Filed 1993·Granted Aug 30, 1994·17 cites·23 claims
- 1628USD556098SChild strollerSMARTE CARTE INC·Filed 2007·Granted Nov 27, 2007·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →