JK

James C. Keen

📍 Dexter, MI: #75 of 334 inventorsTop 25%
🗺 Michigan: #15,670 of 86,293 inventorsTop 20%
Overall (All Time): #874,452 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
D553803 Wrestling headgear 2007-10-23
6782558 Lightweight wrestler headgear John L. Marchello 2004-08-31
D481175 Wrestler's knee pad 2003-10-21
D476450 Wrestler headgear pad John L. Marchello 2003-06-24
6564395 Wrestler headgear 2003-05-20
D469928 Wrestler headgear John L. Marchello 2003-02-04