What American patent attorney visited John Shaw Crout in 1944?
Chester Carlson Chester Floyd Carlson (February 8, 1906 – September 19, 1968) was an American physicist, inventor, and patent attorney born in Seattle, Washington.
Henry F. French Henry Flagg French (August 14, 1813 – November 20, 1885) was an agriculturist, inventor, lawyer, judge, postmaster, assistant district attorney, and assistant Secretary of the United States Treasury.