Fort Worth, Texas
United States
4
2025-11-13
The entities that hold a legal rights for patent applications filed by inventor Roach John P.:
John P. Roach from Fort Worth, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Perforating Gun and Method of Using Same
#2 | 2025-10-28Perforating gun and method of using same
#3 | 2025-08-12Wireline release head
#4 | 2024-10-22Wireline release head
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