Mapleton, Illinois
United States
5
2014-06-26
The entities that hold a legal rights for patent applications filed by inventor WILLIS Frank Arthur:
Frank Arthur WILLIS from Mapleton, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Machine positioning system utilizing position error checking
#2 | 2014-05-29Machine navigation system utilizing scale factor adjustment
#3 | 2014-03-06Operational parameter determination systems and methods with gear shifting compensation
#4 | 2013-03-28Inclination detection systems and methods
#5 | 2012-11-29HYBRID POSITIONING SYSTEM
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