Assignee

WATSON RICHARD A

US·1 granted patent·1 citations·filing 2016–2016

Technology mixB61D1 E01B1 E05F1 E05Y1 E06B1

Top patents by PatentIndex Score

1 record

0158US10407972B2Method and mechanism for controlling gravitational discharge of material from a railroad hopper carWATSON RICHARD A·Filed 2016·Granted Sep 10, 2019·1 cites·32 claims

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