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Top of Site > Clamps as Products > Makers of Composite Clamps (WC) > Codes: Makers of Composite Clamps

Codes used for Makers of Composite Clamps

These are three letter codes, to make it easy to distinguish makers of wooden and composite clamps.

US, Historical

ACC = Adjustable Clamp Company, selling the Jorgensen brand

BBR = Black Brothers

CTC = Cincinnati Tool Company, selling the Hargrave brand

DLS = Doelsh

DOO = Doos

DSC = Dosch Speedclamp, a brand of Smith and Egge

DTR = Detroit Machine Screw Works

HND = Handy

HRG = Hargrave, initially a brand of CTC
later, the name of the successor firm

HLT = Holt

JRG = Jorgensen, a brand of ACC

RVC = Reno Vise Company

SEM = Smith and Egge, sellers of the Dosch Speedclamp brand.

TRB = Tarbell

WTZ = Wetzler

Misc

NN = No Name

UK = Unknown

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