Providence
Seychelles
2
2019-02-28
2
2019-10-22
These are the the leading inventors for applications assigned to PASSERBY INC:
PASSERBY INC based in Providence, SC has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:
Hydraulic fraction down-hole system with circulation port and jet pump for removal of residual fracking fluid
#2 | 2013-12-05 ✅ Patent 9,303,494 granted on 2016-04-05Cutting unit of a hydromecanical slot perforator
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