A - Human Necessities – 47 – L
Patent
A - Human Necessities
47
L
A47L 9/10 (2006.01) A47L 9/00 (2006.01)
Patent
CA 2658154
A filter apparatus comprises first and second filters, each having an upstream surface and a downstream surface. At least one bypass channel extends from a position upstream of the upstream surface of the first filter to a position upstream of the upstream surface of the second filter.
Conrad Wayne Ernest
Petersen Dave
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
G.b.d. Corp.
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