Champion De Arment - Channellock No. 410 Tongue & Groove Pliers

These tongue and groove pliers have the Champion De Arment, Meadeville, PA on one handle and Channellock No. 410 on the other.  Patent awarded in 1934 which places these sometime after that.  The meaning of the "H" on the inside handle is unknown, but possibly a date code.

Plier Type: 
Overall Length: 
Full Plier Image: 
Close-up of Jaws: 
Stampings: 
Additional Stampings: 
Handle / Grip Pattern: 
Manufacturer: 
Plier Brand: 
Date Code: 
H?
Plier Manufacturing Date Range: 
Sunday, December 31, 1933 - 19:00