IP Library › Granted Patent US 6,517,549
Granted Patent Utility
US 6,517,549 · Confirmation No. 1379

MEDICAL MOUTHPIECE WITH ELLIPTICAL PASSAGEWAY

Inventor: William G. Dennis
Patented Case View Patent ↗
⬇ PDF
 Code Description Pages PDF
2001-08-24 TRNA Transmittal of New Application 4 View
2001-08-24 SPEC Specification 10 View
2001-08-24 CLM Claims 2 View
2001-08-24 ABST Abstract 1 View
2001-08-24 DRW Drawings-only black and white line drawings 10 View
2001-08-24 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,517,549
App. No.
09/938,339
Filed
2001-08-24
Granted
2003-02-11
Art Unit
3732
PTA
-64 days