Duncan, Oklahoma
United States
4
2019-05-09
The entities that hold a legal rights for patent applications filed by inventor Abel Derek James:
Derek James Abel from Duncan, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Cement supply control systems and methods
#2 | 2018-08-30Engine and transmission notification system using a J1939 data link interface
#3 | 2018-05-24Variable frequency drive motor control
#4 | 2017-09-14Variable frequency drive motor control
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