Richlands, Virginia
United States
5
2016-02-04
The entities that hold a legal rights for patent applications filed by inventor Ball Mark A.:
Mark A. Ball from Richlands, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Method and apparatus for testing coal coking properties
#2 | 2014-03-06Method and apparatus for testing coal coking properties
#3 | 2007-12-20Method and apparatus for compacting coal for a coal coking process
#4 | 2007-09-06Method and apparatus for producing coke
#5 | 2006-03-09Coke oven rotary wedge door latch
671229 ⎘