USD1078807SActiveUtility
Tandem sub
Est. expiryMar 31, 2040(~13.7 yrs left)· nominal 20-yr term from priority
Inventors:Shelby L. Sullivan
E21B 43/119E21B 43/117
96
PatentIndex Score
5
Cited by
40
References
1
Claims
Claims
exact text as granted — not AI-modifiedCLAIM
The ornamental design for a tandem sub as shown and described.Join the waitlist — get patent alerts
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