D. Mitchell

The effects of time delay and echoes on telephone conversations

J. W. Emling, D. Mitchell, D. Mitchell, 1963 .

A 150-MC personal radio signaling system

Doren Mitchell, K. G. Van Wynen, D. Mitchell, 1961 .

Two-way radio telephone circuits

S. B. Wright, S. B. Wright, D. Mitchell, 1932 .