Houston, Texas
United States
3
2024-07-11
The entities that hold a legal rights for patent applications filed by inventor Evans Eric R.:
Eric R. Evans from Houston, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Hydrostatically insensitive plug assembly
#2 | 2020-04-30Active RFID tag arrangements for actuation of downhole equipment in well fluids
#3 | 2018-08-09Active RFID tag arrangements for actuation of downhole equipment in well fluids
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