JK

John A. Kempf

MP Master Pneumatic-Detroit: 2 patents #3 of 8Top 40%
📍 Fayette, MO: #3 of 9 inventorsTop 35%
🗺 Missouri: #6,609 of 23,789 inventorsTop 30%
Overall (All Time): #1,598,873 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6893002 Lockout valve Lawrence E. Brice 2005-05-17
6082406 Pneumatic pilot-operated control valve assembly Felton Williamson, Jr. 2000-07-04
D280050 Accessory stand for use in shining boots and shoes 1985-08-13