Grip-Lock pliers No. 910-C.
on the familiar vicegrip plier design. This tool obviates the need
to play with the screw adjustment of pressure to which we've all grown
replaces it with the need to fiddle with that obscure little button slider
gizmo. However, once you get the feel of it, it works just as well
as a pair of vicegrips. That's probably why this pair is the first one
I've ever seen.
The patent numbers
are 2,531,285, 2,576,286, and 2,997,903.
the point of view of legal strategy, none of the cited patent drawings
depict exactly how the final product looks.
Channellock is located
in Meadville, PA,
and was once known
as Champion DeArment.
This example is
in fine condition.