RJ

Roger L. Johnston

JC J & R Engineering Company: 9 patents #1 of 3Top 35%
📍 Muskego, WI: #29 of 226 inventorsTop 15%
🗺 Wisconsin: #5,297 of 40,088 inventorsTop 15%
Overall (All Time): #566,310 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
10301153 Pivoting axle wheeled mobile gantry 2019-05-28
6685038 Extendible boom with locking mechanism having equalizer arrangement Kevin Johnston 2004-02-03
6330951 Hydraulic boom for gantry or the like 2001-12-18
6328524 Cask transporter 2001-12-11
6017181 Cask transporter 2000-01-25
6010019 Dual beam header connector plate 2000-01-04
5865327 Hydraulic boom for gantry and the like 1999-02-02
5839874 Cask transporter with bottom lift capability 1998-11-24
5360123 Gantry stabilizer 1994-11-01