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.
Sinclair &amp; Carroll Co. v. Interchemical Corp. Sinclair & Carroll v. Interchemical, 325 U.S. 327 (1945) , is a United States Supreme Court decision that held a patent invalid for lack of inventiveness.