Marlow, Oklahoma
United States
6
2018-02-22
The entities that hold a legal rights for patent applications filed by inventor TILGHMAN Stephen E.:
Stephen E. TILGHMAN from Marlow, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Modulating downhole reflector
#2 | 2014-06-26Acoustic reception
#3 | 2009-12-17Method for Removing a Sealing Plug from a Well
#4 | 2008-01-24Method for removing a sealing plug from a well
#5 | 2006-02-02Sealing plug and method for removing same from a well
#6 | 2005-09-15Method and apparatus for positioning a downhole tool
813463 ⎘