Inventor: William Pomeroy Thomson
Inventor: Leonard E. Carrier
Inventor: Thomas G. Harcharick, William E. Duffett
Inventor: Robert E. Pinkerton
Inventor: Vincent P. Quinn
Inventor: Frederic W. Anderson
Inventor: Frederic W. Anderson
Inventor: Frederic W. Anderson
Inventor: Frederic W. Anderson
Inventor: Vincent P. Quinn
Inventor: William E. Duffett