USD994736SActiveUtility
Tandem sub
Est. expiryApr 1, 2039(~12.7 yrs left)· nominal 20-yr term from priority
Inventors:Shelby L. Sullivan
E21B 43/116E21B 43/117E21B 43/1185E21B 43/119
96
PatentIndex Score
6
Cited by
92
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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