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

Join the waitlist — get patent alerts

Get an alert when DOUBLE T RAILROAD PRODUCTS files or is granted a new patent.

We store only your email — no account needed. See our privacy policy.

Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →