Frank Wiggins Candee / Homer Jackson Dana / James Gregory McGivern / Hubert Vinton Carpenter / R. N. Miller / Royal Weller

OSU:32435069494433

Coal

Hubert Vinton Carpenter

UIUC:30112068227765

Induction coils

Hubert Vinton Carpenter

UIUC:30112008045442

Electric power distribution

Charles K. Bayne / Charles W. Lane / Hubert E. Risser / John Warvelle Harbaugh / Norman Plummer / Vinton Crews Fishel / Walter Henry Schoewe / Warren Gayler Hodson / William Ives / E. L. Gulley / Kenneth D. Wahl / Russel Tyson Runnels / Walter Edward Hill / E. L. Reavis

UIUC:30112026892536

Building stones