Plano, Texas
United States
4
2020-08-13
The entities that hold a legal rights for patent applications filed by inventor Willis John:
John Willis from Plano, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Smart acoustical electrical switch
#2 | 2018-09-20Smart acoustical electrical switch
#3 | 2017-04-06Acoustical electrical switch
#4 | 2017-01-26Acoustical Electrical Receptacles
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