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Inventor
BALLANTYNE WAYNE E
US
3 patents
⚠️ This page may combine multiple inventors who share the name “BALLANTYNE WAYNE E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AVON PROTECTION SYSTEMS INC
1 patent
US7311764B2
Dec 25, 2007
Gas mask filter canister
AVON PROTECTION SYSTEMS INC
38 citations
89
FRIDAY DAVID K
1 patent
US8292991B2
Oct 23, 2012
Gas mask filter canister
FRIDAY DAVID K
11 citations
79
INT PAPER CO
1 patent
US4303469A
Dec 1, 1981
Process and apparatus for recovery of spent pulping liquors
INT PAPER CO
22 citations
79