RJ

Roger L. Johnston

JC J & R Engineering Company: 1 patents #1 of 2Top 50%
📍 Muskego, WI: #8 of 23 inventorsTop 35%
🗺 Wisconsin: #804 of 3,158 inventorsTop 30%
Overall (2004): #126,912 of 270,089Top 50%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6685038 Extendible boom with locking mechanism having equalizer arrangement Kevin Johnston 2004-02-03