Background
Biesterfeld, Chester H. was born on October 18, 1888 in Saginaw, Michigan, United States. Son of Henry and Anna (Roethke) Biesterfeld.
Biesterfeld, Chester H. was born on October 18, 1888 in Saginaw, Michigan, United States. Son of Henry and Anna (Roethke) Biesterfeld.
Bachelor of Science, University of Michigan, 1910. Bachelor of Laws, Georgetown University, 1915, Master of Patent Law, 1915.
Engineer and chemist for the Kansas Cement Company, 1910-1912. Chemist, United States Department of Agriculture, 1912-1914. Examiner for United States Patent Office, Washington, District of Columbia, 1914-1919.
Patent attorney United States Rubber Company, 1920.
Private practice patent law, New York City, 1920-1926, head patent department du Pont Company, Wilmington, Delaware, since 1926.
Served in the United States Army, 1918. Protestant.
Married Mathilde Gerber, August 8, 1917. Children: Elaine (Mistress East. T. Neumann), Doris (Mistress H. H. Townshend, Junior.