F - Mech Eng,Light,Heat,Weapons – 04 – B
Patent
F - Mech Eng,Light,Heat,Weapons
04
B
F04B 19/22 (2006.01) B67D 99/00 (2010.01) A47K 5/12 (2006.01) B05B 11/00 (2006.01) F04B 9/14 (2006.01) F04B 15/02 (2006.01)
Patent
CA 2698915
A pump assembly for dispensing flowable materials including a piston chamber-forming member providing an annular chamber about a center post and an annular piston--forming member reciprocally slidable in the annular chamber to dispense flowable material outwardly annularly about the center post.
Mirbach Ali
Ophardt Heiner
Gotohti.com Inc.
Riches Mckenzie & Herbert Llp
LandOfFree
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