Evans Mill, New York
United States
5
2014-04-17
The entities that hold a legal rights for patent applications filed by inventor Call Derick:
Derick Call from Evans Mill, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Brake cylinder maintaining valve
#2 | 2014-04-17Brake cylinder maintaining valve
#3 | 2011-05-12Bolster mounted brake system
#4 | 2011-05-12Automatic release hand brake control system
#5 | 2009-05-14Brake pipe vent valve for locomotive brake system
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