Letter to Charles H. Riches 17/10/1925
Hutchison, F. Lorne
October 17 1925
1 leaf ; 28 x 21 cm.
Carbon copy of a typescript letter. Letter requesting Charles H. Riches to perform a study of Zuelzer's U.S. Patent no. 1,027,790 with the view 'to ascertaining in what respects interference might be held between Zuelzer's Patent and the Insulin Patents held by the Governors of the University of Toronto.' Mr. Riches responds to this letter on December 17, 1923.
University of Toronto Archives. A1982-0001, Box 15, Folder 5
Title based on content of item.
Riches, Charles H. (Esq.)Zuelzer, GeorgInsulin - Patents