JE

Joel N. Erdman

JI Johnstech International: 8 patents #8 of 53Top 20%
SL Starkey Laboratories: 3 patents #123 of 336Top 40%
📍 Waconia, MN: #17 of 161 inventorsTop 15%
🗺 Minnesota: #6,858 of 52,454 inventorsTop 15%
Overall (All Time): #435,803 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
12294833 Ear-worn electronic device incorporating microphone fault reduction system and method Zac Jensen, Ryan Chester, Brian Thomas Dahl, Thomas Scheller 2025-05-06
11895465 Ear-worn electronic device incorporating microphone fault reduction system and method Zac Jensen, Ryan Chester, Brian Thomas Dahl, Thomas Scheller 2024-02-06
11467183 Integrated circuit contact test apparatus with and method of construction Jeffrey C. Sherry 2022-10-11
10794933 Integrated circuit contact test apparatus with and method of construction Jeffrey C. Sherry 2020-10-06
10247755 Electrically conductive kelvin contacts for microcircuit tester Jeffrey C. Sherry, Gary W. Michalko 2019-04-02
9949051 Embedded and printed acoustic port Sidney A. Higgins, John Becker, Thomas Bartosh 2018-04-17
9500673 Electrically conductive kelvin contacts for microcircuit tester Jeffrey C. Sherry, Gary W. Michalko 2016-11-22
9329204 Electrically conductive Kelvin contacts for microcircuit tester Jeffrey C. Sherry, Gary W. Michalko 2016-05-03
8988090 Electrically conductive kelvin contacts for microcircuit tester Jeffrey C. Sherry, Gary W. Michalko 2015-03-24
8690597 Compliant contact plate for use in testing integrated circuits 2014-04-08
8558554 Electrically conductive Kelvin contacts for microcircuit tester Jeffrey C. Sherry, Gary W. Michalko 2013-10-15