Inventor

SEVERSON THOMAS S

US2 patents

Patents

2 patents

US5148726ASep 22, 1992

One-piece, open-end wrenching head with roughened jaws

SNAP ON TOOLS CORP73 citations93

US5117714AJun 2, 1992

One-piece, open-end wrenching head with serrated jaws

SNAP ON TOOLS CORP33 citations89