IP Library Granted Patent US 6,561,769
Granted Patent Utility PCT National Stage
US 6,561,769 · Confirmation No. 3669

FILTER AND MUFFLER FOR A VACUUM PUMP

Inventor: Peter Tell
Patented Case View Patent ↗
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Code Description Pages PDF
2001-08-27 LET. Miscellaneous Incoming Letter 12 View
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Quick Facts
Patent No.
US 6,561,769
App. No.
09/914,353
Filed
2001-08-27
Granted
2003-05-13
Art Unit
3742
PTA
0 days