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.
Charles McDermott (inventor) Charles M. McDermott (September 22, 1808 – October 13, 1884) was an American physician and inventor. He is claimed to have been granted the first known American patent for a non-powered airplane, in 1872.