KA

Keith Louis Amdahl

SC Smarte Carte: 12 patents #1 of 23Top 5%
📍 Minneapolis, MN: #475 of 6,114 inventorsTop 8%
🗺 Minnesota: #5,782 of 52,454 inventorsTop 15%
Overall (All Time): #381,298 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
9558608 Electronic locker right acquisition via an external system 2017-01-31
9430892 Locker rental system using external codes 2016-08-30
9158946 Locker system using barcoded wristbands Kong Meng Vang, Matthew C. Burk 2015-10-13
8714452 System for dispensing wristbands with unique indicia Kong Meng Vang, Matthew C. Burk 2014-05-06
8500012 Locker system using barcoded wristbands Kong Meng Vang 2013-08-06
7857108 Brake assembly and control mechanism for a cart, and method Dan L. Otterson 2010-12-28
D556098 Child stroller Matthew C. Burk 2007-11-27
6142283 Cart management system Dan L. Otterson, Christopher J. Rogney, Mark G. Bussey, Fred C. Zimmerman, Verne L. Severson 2000-11-07
6125985 Cart management system Dan L. Otterson, Christopher J. Rogney, Mark G. Bussey, Fred C. Zimmerman, Verne L. Severson 2000-10-03
6024203 Cart management system and method Christopher J. Rogney, Mark G. Bussey 2000-02-15
5921373 Cart management system Dan L. Otterson, Christopher J. Rogney, Mark G. Bussey, Fred C. Zimmerman, Verne L. Severson 1999-07-13
5526916 Cart management system Dan L. Otterson, Christopher J. Rogney, Verne L. Severson 1996-06-18
5342074 Dual recumbent vehicle James M. Muellner 1994-08-30