PACK-STOCK
Filed: May 5, 1983
Casing Sidetrack System Used in Well Drilling, Comprising a Combination Packer and Whipstock Tool Assembly
Owned by: Masx Energy Services Group, Inc.
Serial Number: 73424618
DYNA-CUT
Filed: October 3, 1986
EXPLOSIVE CHARGE SYSTEM FOR SEVERING WELL STRING CASING
Owned by: Masx Energy Services Group, Inc.
Serial Number: 73623951
ANCHOR-STOCK
Filed: February 5, 1990
casing sidetrack system used in well drilling comprising a combination anchor and whipstock tool assembly
Owned by: Masx Energy Services Group, Inc.
Serial Number: 74025791
A Z GRANT INTERNATIONAL
Filed: September 10, 1990
earth drilling machines and parts therefor; namely, downhole drilling motors, drill collars, casing liners, string reamers…
Owned by: Masx Energy Services Group, Inc.
Serial Number: 74095357
