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| Re: Dual third rails on the IRT Els (685017) | |||
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Re: Dual third rails on the IRT Els |
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Posted by SelkirkTMO on Mon Sep 22 17:53:43 2008, in response to Re: Dual third rails on the IRT Els, posted by randyo on Mon Sep 22 17:47:30 2008. Curious possibility ... according to documents I once saw in the state archives when I worked for the Public Service Commission, it appears as though the BMT and its predecessors had a habit of PATENTING most of what they did. Wonder if anyone can determine if there was a patent involved in the design of those shoes which would have made it very expensive for a "competitor" to do similar without getting hauled into court? BRT/BMT was always looking to collect royalties and often went after Interborough ... |
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