KG

Karl F. Graff

EI Edison Welding Institute: 1 patents #1 of 3Top 35%
📍 Hilliard, OH: #4 of 32 inventorsTop 15%
🗺 Ohio: #1,072 of 7,013 inventorsTop 20%
Overall (2017): #135,658 of 506,227Top 30%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9669471 Devices for isolating acoustic vibrations in metalworking systems Matthew A. Short 2017-06-06
9539632 Ultrasonic excitation of segmented dies 2017-01-10