IP Library Granted Patent US 6,850,388
Granted Patent Utility
US 6,850,388 · Confirmation No. 1220

APPARATUS AND METHOD FOR FORMING A MAGNETIC FLUID SEAL

Inventor: Ralph James Knotts
Patented Case View Patent ↗
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Code Description Pages PDF
2004-12-14 C.AD Change of Address 1 View
2004-08-23 IFEE Issue Fee Payment (PTO-85B) 2 View
2004-08-23 PA.. Power of Attorney 1 View
2002-02-05 TRNA Transmittal of New Application 1 View
2002-02-05 SPEC Specification 9 View
2002-02-05 CLM Claims 3 View
2002-02-05 ABST Abstract 1 View
2002-02-05 DRW Drawings-only black and white line drawings 3 View
2002-02-05 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,850,388
App. No.
10/072,498
Filed
2002-02-05
Granted
2005-02-01
Art Unit
2652
PTA
0 days