Document ZJDwDeDmbRk7D7d2bzk4r7EKL

August 5, 1936 re "2- me mo r a n d u m f o r r.;p.. h . t . t ,q if f : With further reference to my memorandum of August 4th, please add the following patent to the list of patents owned by the Anaconda lead Products Company: Pat. Ho. 1,401,743 - Methods and Apparatus for Separating Pec. 27, 1921 Foreign substances from lead Mattes. aimer A. Sperry Please note that the application on the MAJIUFAC TUBE OF BEAD BORATE was filed-, under Serial Number 93,816. FREDERICK 1AIST H. August 4, 1936 MEMOBANDP't FOP MP H. .T. 'VOLFF: Following is a list of patents and appli cations for patent owned by the Anaconda Lead Products company: ?nt. Ho, 1,363,22? - Osmotic Diaphragm - Feb. 3, 1921 aimer A. Sperry Pat. Ho. 1,453,620 - Treating Vihite Lead - Apr. l*hj 1923 Dimer 4, Sperry Pat, Mo. 1,945,713 - Method of "reducing Shite Lead - Feb. 16, 1933 0. 3. Johnson, H. 0. Bowman, S. J. Knox, Jr. Pat. TIo. 2,048,933 - Production of Composite Pigments - July 7, 1936 G. E. Johnson and T. n. Donahue Ser. Ho. 47,340 Oct. 30, 1935 Ser. Ho. 90,104 Tuly 11, 1936 Electrolytic Process for the Manu facture of Litharge R. 0. Bowman and Vi. J. Knox, Jr. Cleaning Anodes n. s. Tonoy Ser. No. 93,427 July 30, 1936 Ser. No. 9-3,916 Aug. 1, 1936 Manufacture of Basic bead Chromates E. F. >i saver Manufacture of Lead Borate.S. 3. Stoekdale, E. F. Heaver, S. P. Tinnes Frederick Laiat Mote: In addition to the above list, the Anaconda Lead Products Company may have purchased other patents, the negotiations for which have been carried on at East Chicago of which we have no. record; also there are probably patents of employees under which the Company nerelyhas a license. V t" f: :j-1 ? v v- Tv.: SU33-1 PNYC00008856 :J3J