Vintage Gruen: 1930's » Quadron Import 220

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Re: Quadron Import 220 [message #12424 is a reply to message #12415]

Sat, 02 May 2020 15:47

JackW
Messages: 2073
Registered: May 2013
Location: Denver

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I think you are correct for Guildite in 1933. Staybrite was registered in 1928 from what I have read (used for tableware originally) but was also registered in the US and Canada. The tradmark and the patenting in the US was somewhat confused due to independent developments in the metal alloys with US based companies. Convoluted to say the least.... but likely the requirement that those using Firth made stainless in the US also could mark it with the name. I don't read that it was required.

There are examples of Guildite and Staybrite marked cases.... here is one: at WUS forums But the markings are difficult to read.... believing the OPs read.

Anyway.... Very cool stuff to see.

All I know is based on hard work & writing by others. I can only aspire to augment this body of knowledge. If I am wrong it is because of my own failings. -me

"If I have seen farther it is by standing on the shoulders of giants." - Newton

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[Message index]

		Quadron Import 220 By: Thojil on Fri, 01 May 2020 14:53
		Re: Quadron Import 220 By: Barney Green on Fri, 01 May 2020 16:36
		Re: Quadron Import 220 By: Thojil on Fri, 01 May 2020 23:11
		Re: Quadron Import 220 By: JackW on Fri, 01 May 2020 23:13
		Re: Quadron Import 220 By: Barney Green on Sat, 02 May 2020 06:00
		Re: Quadron Import 220 By: thesnark17 on Sat, 02 May 2020 15:24
		Re: Quadron Import 220 By: JackW on Sat, 02 May 2020 15:47
		Re: Quadron Import 220 By: thesnark17 on Sat, 02 May 2020 17:33
		Re: Quadron Import 220 By: afire on Mon, 04 May 2020 18:09
		Re: Quadron Import 220 By: JackW on Tue, 05 May 2020 16:37
		Re: Quadron Import 220 By: Thojil on Wed, 06 May 2020 21:03

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