Gilbert, Arizona
United States
7
2025-07-08
David E. Stafford, Jr. from Gilbert, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Methods and systems for detecting fraudulent advertisements in pay-per-call advertising
#2 | 2024-04-02Methods and systems for detecting fraudulent advertisements in pay-per-call advertising
#3 | 2023-10-24Methods and systems for detecting fraudulent advertisements in pay-per-call advertising
#4 | 2020-09-15Methods and systems for detecting fraudulent advertisements in pay-per-call advertising
#5 | 2012-03-27Methods and apparatus for cleaning surfaces
#6 | 2011-07-05Methods and apparatus for cleaning surfaces
#7 | 2007-01-18Methods and apparatus for cleaning surfaces
6188065 ⎘