Elgin, Illinois
United States
3
2014-02-06
The entities that hold a legal rights for patent applications filed by inventor STEVENSON ROY:
ROY STEVENSON from Elgin, US has applied for patents for these inventions. The list has both pending applications and granted patents:
DOWN SPRUE CORE FOR USE IN CASTING RAILCAR COUPLER KNUCKLES
#2 | 2013-01-31DOWN SPRUE CORE FOR USE IN CASTING RAILCAR COUPLER KNUCKLES
#3 | 2013-01-31RIGGING SYSTEM FOR CASTING RAILCAR COUPLER PARTS
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