Assignee

DOUBLE T RAILROAD PRODUCTS

US·2 granted patents·25 citations·filing 1994–1995

Technology mixE01B2

Top patents by PatentIndex Score

2 records

0144US5622340ARail switch point assist apparatusDOUBLE T RAILROAD PRODUCTS·Filed 1995·Granted Apr 22, 1997·16 cites·2 claims
0244US5482231ARail switch point assist apparatusDOUBLE T RAILROAD PRODUCTS·Filed 1994·Granted Jan 9, 1996·9 cites·11 claims

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