M. Klein & Sons Inc vs. Klein...

[HubbaBubba]

Picked up a 632 with M. Klein & Sons Inc. CHI. ILL USA printed on the handle. Anyone know off hand when they switched to just Klein? Thanks.

 

[zkling]

Where is Jeff? He'll know.

 

[Exceller8]

Where is Jeff? He'll know.

Probably picking some locks!

 

[HubbaBubba]

Checked AA and the Klein website for info. Nada. Hope you see this Jeff.

 

[sselander]

The trademark for M. KLEIN & SONS CHICAGO, U.S.A. was granted in 1950 and expired in 1992

http://www.trademarkia.com/m-klein--sons-chicago-usa-71596849.html

Also, prior to 1972 Klein used a "three letter date code system based on these letters MKLEINCORP"

http://www.ibew575.org/admin/docs/Scan_Doc0001.pdf

This was from the contest they ran a while ago