Inventor

GRAFF KARL F

US3 patents

⚠️ This page may combine multiple inventors who share the name “GRAFF KARL F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BOEING CO

1 patent

US7819302B2Oct 26, 2010

Aluminum end caps ultrasonically welded to end of aluminum tube

BOEING CO19 citations81

EDISON WELDING INST INC

1 patent

US9346120B1May 24, 2016

Sonotrode apparatus for use in ultrasonic additive manufacturing

EDISON WELDING INST INC15 citations75

SHORT MATTHEW A

1 patent

US9669471B2Jun 6, 2017

Devices for isolating acoustic vibrations in metalworking systems

SHORT MATTHEW A2 citations69