IP Library › Granted Patent US 6,676,387
Granted Patent Utility PCT National Stage
US 6,676,387 · Confirmation No. 7902

A METERING PUMP WITH A ROTARY VALVE RESPONSIVE TO ELECTRICAL SIGNALS FROM THE CONTACT BETWEEN A FLUID RESPONSIVE SHUTLLE AND DUAL PROBES

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2011-07-07 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-07-07 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-06-24 PA.. Power of Attorney 1 View
2011-06-24 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2011-06-24 N417 Electronic Filing System Acknowledgment Receipt 2 View
2002-04-16 LET. Miscellaneous Incoming Letter 78 View
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Quick Facts
Patent No.
US 6,676,387
App. No.
10/018,334
Filed
2002-04-16
Effective Filing
2001-12-06
Granted
2004-01-13
Art Unit
3746
PTA
0 days