Keller, Texas
United States
5
2016-10-13
The entities that hold a legal rights for patent applications filed by inventor Powers Doug:
Doug Powers from Keller, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Systems and methods for facilitating coin hopper maintenance
#2 | 2016-06-30Increased capacity coin hopper
#3 | 2009-12-01Coin recycling device
#4 | 2007-09-18Secured pin entry device
#5 | 2007-09-04Computerized drop safe and control software
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