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Re: stainless steel Quadron [message #15535 is a reply to message #6260] Fri, 17 September 2021 17:55 Go to previous messageGo to previous message
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Registered: May 2019
Location: Cincinnati
Gruen Authority
I just stumbled up on this thread. Curious that it’s not marked with the 1926 patent, although clearly a Beiser process stamped case. Patent expired 1943. Makes me wonder if this was made during the litigation, or just a peculiarity of National Guildite cases
 
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