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Monday, October 21, 2013

Madden Bros., Inc - part 2

The Madden Brothers had some interesting patents.  Most are in the name of the youngest brother Carl, both he and Frank were engineers.  All three brothers were involved in Coordinated Transportation, Inc.

One invention was the Rail Truck
You can read the complete brochure here
You will find the patent here Convertible railway freight car US 2009895 A

Some other patents filed by Charles L. Madden some jointly with AL Hershey, et al.

Convertible railway freight car - US 2063434 A
Tractor - US 2064205 A
Trailer train US 2844108 A
Spotlight US 1457120 A
There are many more - use Google Patent search to find them you can get full page images of the patent from the US Patent Office

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