Frank C. Keirsey Jr.

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Bridgeport, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Gear coatings for rotary gear pumps
- Patent number 5,993,183
- Issue date Nov 30, 1999
- Hale Fire Pump Co.
- Michael A. Laskaris
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...