P. R. Mallory and Co Inc
(Burlington, MA) was the parent firm of Mallory Batteries Ltd
, an Irish
producer of Ever Ready
batteries. Ever Ready had a sizable stake in it by World War II
and had a close relationship with Mallory by the late 1960's. Mallory made Mercury button cells and specialist batteries.
Scientists George Allis and Daniel I. Pomerantz at P. R. Mallory and Co discovered anodic bonding of glass to silicon. Their work was published in 1969 in the Journal of Applied Physics and is protected under U.S. Patent No 3,397,278.