Specification forming part of letter of patent No. 691, 681: aseptic preparation from pancreas and process of producing same
United States. Patent Office
January 21 1902
1 p. ; 28 x 20 cm.
Item is a typescript copy of the specification forming part of a letter of patent No. 691, 681 issued to Wilhelm Weber assignor to Chemische Fabrik Rhenania of Aachen, Germany entitled: aseptic preparation from pancreas and process of producing same. The application for patent no. 691,681 was filed August 28, 1900; serial no. 28, 335.
University of Toronto Archives. A1982-0001, Box 19, Folder 1
Title based on content of item.
Insulin - Patents