Patents/Inventors

John Richard Irwin

Ogden, UTUS2 patents

3 Patents

US123844302025
Durable Railroad Brake Stick Head
Precision Cut 3D LLC
0 cites
USD10432822024
Railroad Brake Stick
PRECISION CUT 3D LLC
0 cites
US115974162023
Railroad Brake Stick
Precision Cut 3D LLC
0 cites