IP Library › Patent Application 09857935
Patent Application Utility PCT National Stage
App. No. 09/857,935 · Confirmation No. 2941

SEWING MACHINE WITH A VENTILATION WHEEL AND A ROTATION SPEED SENSOR ATTACHED TO AN ELECTRIC MOTOR

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2001-09-20 LET. Miscellaneous Incoming Letter 14 View
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Quick Facts
App. No.
09/857,935
Filed
2001-09-20
Effective Filing
2001-06-11
Granted
2002-08-06
Art Unit
3765
PTA
0 days