IP Library › Granted Patent US 6,637,421
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US 6,637,421 · Confirmation No. 2836

PNEUMATICALLY OPERATED PROJECTILE LAUNCHING DEVICE

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Quick Facts
Patent No.
US 6,637,421
App. No.
10/254,891
Filed
2002-09-24
Granted
2003-10-28
Pub. No.
US20030024521A1
Examiner
ZERR, JOHN W
Art Unit
3644
PTA
-66 days