Dallas, Texas
United States
4
2015-10-22
The entities that hold a legal rights for patent applications filed by inventor Hess David:
David Hess from Dallas, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Time tracking device and method
#2 | 2011-03-24Occurrence marketing tool
#3 | 2010-09-09Event information tracking and communication tool
#4 | 2010-08-05Event information tracking and communication tool
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