Lovell Wrench Co.

Lovell Wrench Co. (Worcester, MA) ca. 1897 - DATAMP patents for Lovell Wrench Co., both by Albert Kingman Lovell. 

We also found Patent #476,767 - Wrench by Mr. Lovell. 

A google search for Mr. Lovell patents reveals him a prolific inventor.

October 22, 1896 article on the improved Lovell Bicycle Wrench in Iron Age

An example Lovell Wrench can be found here.