Box 2
Container
Contains 94 Results:
U.S. Patent #3,622,277 - Method for Determining Sulfate Concentration, 1971
File — Box: 2, Folder: 36
U.S. Patent #3,656,908 - Method for Determining the Chromium Content of Aqueous Mediums, 1972
File — Box: 2, Folder: 37
U.S. Patent #3,706,532 - Method for Determining Zinc Concentration in Aqueous Mediums, 1972
File — Box: 2, Folder: 38
U.S. Patent Abstract of Disclosure - Chemical Feed Methods and Apparatus (Photocopy), 1971
File — Box: 2, Folder: 39
U.S. Patent Abstract of Disclosure - Method for Determining Phosphate Content of Liquids Containing Complex Polyphosphate Compounds (Photocopy), undated
File — Box: 2, Folder: 40
U.S. Patent Abstract of Disclosure - Method for Zinc Concentration in Aqueous Mediums (Photocopy), 1971
File — Box: 2, Folder: 41
U.S. Patent Application - Chemical Feed Methods and Apparatus (Photocopy), 1969
File — Box: 2, Folder: 42
U.S. Patent Application - Process for the Rejuvenation of Fouled Ion-Exchange Materials (Photocopy), 1968
File — Box: 2, Folder: 43
U.S. Patent Certificate of Correction - Patent #3,223,620 – Corrosion Inhibition (Photocopy), 1965
File — Box: 2, Folder: 44
Betz - Principal Register Service Mark (Photocopy), 1954
File — Box: 2, Folder: 45
