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07/628,837 | 637-P-002:
ROTARY PUMP HAVING HELICAL GEAR TEETH WITH A SMALL ANGLE OF WRAP
Public viewApplication #
07/628,837
Confirmation #
2385
Attorney Docket #
637-P-002
Patent #
5,108,275
Download PDF Text Issued - 04/28/1992
Filing or 371 (c) date
12/17/1990
Status
Patented Case 10/14/1992
Documents & transaction history
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