Spring, Texas
United States
8
2018-06-28
The entities that hold a legal rights for patent applications filed by inventor GREGORY Marvin Allen:
Marvin Allen GREGORY from Spring, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Millable bridge plug system
#2 | 2018-06-21MILLABLE BRIDGE PLUG SYSTEM
#3 | 2018-03-01Short millable plug for hydraulic fracturing operations
#4 | 2015-05-21BALL SEAT SYSTEM
#5 | 2014-06-26MILLABLE BRIDGE PLUG SYSTEM
#6 | 2014-06-19Millable bridge plug system
#7 | 2014-06-19Millable bridge plug system
#8 | 2014-06-12Pressure controlled multi-shift frac sleeve system
791663 ⎘