Utility Wrench Co.

Utility Wrench Company (New York, NY) - Incorporated June 27, 1885

Henry W. Atwater Patent #206,851 ​- Improvement in Clamps

Henry W. Atwater Patent #284,162 - Wrench

Example of a Utility Patent #206,851 ​wrench from The Wrenching News 2017 York auction listing

Article about their wrench from the August 1886 edition of Building and Carpentry.

Scientific American Bar Steel Version advertisement from December of 1887.