IP Library › Granted Patent US 6,772,758
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Granted Patent Utility
US 6,772,758 · Confirmation No. 2972

BREATHING PROTECTOR

Inventor: Hans Lambert
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Quick Facts
Patent No.
US 6,772,758
App. No.
10/108,822
Filed
2002-07-30
Effective Filing
2002-03-28
Granted
2004-08-10
Pub. No.
US20030029456A1
Art Unit
3743
PTA
-13 days