Airplanes #2 -- Unusual designs from the 1920s, '30s, &
'40s; articles & US Patents


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**AIRPLANES**

**More Unusual Designs from the 1920s, '30s,
& '40s**

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*Modern Mechanics &
Inventions* **(May 1935)**

![](strandgren.jpg)

**Carl Strandgren: US Patent # 1639908 //
USP # 1753252**

![](1630-3-6.jpg)![](1639-2.jpg)![](1639-4.jpg)

![](1639-9-10.jpg)![](1639-11.jpg)

![](1753-1.jpg)![](1753-2.jpg)

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***Modern Mechanics & Inventions* (May 1935)**

![](powell.jpg)

**Russell S. Powell: USP # 1,963,676**

![](1963-1.jpg)![](1963-2.jpg)

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***Modern Mechanics & Invention* (October
1934)**


![](kirsten.jpg)

**F. K. Kirsten:  USP # 2,090,052 //
USP # 2,045,233**

![](2090-1.jpg)![](2090-2.jpg)

![](2045-1.jpg)![](2045-2.jpg)

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> ***Modern Mechanics & Inventions* (May 1935)**

![](trey.jpg)

**Alexander Chessin & Serge Trey: USP #
2,004,256**

![](2004-1.jpg)![](2004-2.jpg)

![](2004-3.jpg)

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