IP Library › Granted Patent US 6,755,116
Granted Patent Utility PCT National Stage
US 6,755,116 · Confirmation No. 4494

NEGATIVE PRESSURE TYPE BOOSTER

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2004-05-25 IFEE Issue Fee Payment (PTO-85B) 1 View
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2002-08-21 LET. Miscellaneous Incoming Letter 55 View
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Quick Facts
Patent No.
US 6,755,116
App. No.
10/111,705
Filed
2002-08-21
Effective Filing
2002-04-29
Granted
2004-06-29
Art Unit
3745
PTA
0 days