Calgary
Canada
4
2025-10-09
The entities that hold a legal rights for patent applications filed by inventor Gamble Mitchell:
Mitchell Gamble from Calgary, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
MULTICYCLE VALVE SYSTEM
#2 | 2025-05-22DUAL SLEEVE VALVE SYSTEM
#3 | 2024-03-21RETAINING BACKUP SYSTEM FOR FRAC PLUGS
#4 | 2021-11-25Isolation plugs for enhanced geothermal systems
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