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Coil spring

60
Assignee: DEFRANKS MICHAEL SPriority: Nov 9, 2010Filed: Nov 9, 2010Granted: Jun 19, 2012
Est. expiryNov 9, 2030(~4.3 yrs left)· nominal 20-yr term from priority
Inventors:Michael S. DefranksRahul KirtikarMichael GolinDavid A. Brooks
60
PatentIndex Score
11
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a coil spring, as shown and described.

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