DH

Douglas R. Harper

CF Campbell Hausfeld / Scott Fetzer: 3 patents #1 of 23Top 5%
📍 Cadiz, OH: #2 of 6 inventorsTop 35%
🗺 Ohio: #291 of 5,375 inventorsTop 6%
Overall (2004): #29,998 of 270,089Top 15%
3
Patents 2004

Issued Patents 2004

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D497917 Compressor shroud Tony Michael Guard, Matthew Davis Bantly 2004-11-02
D495717 Control panel for a compressor James Louis Tobergta, Tony Michael Guard, Joseph Robert Stephens 2004-09-07
D489736 Control panel for a compressor James Louis Tobergta, Tony Michael Guard, Joseph Robert Stephens 2004-05-11