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Inventor
BERTANE MARK
US
4 patents
⚠️ This page may combine multiple inventors who share the name “BERTANE MARK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AMERICAN COLLOID CO
2 patents
US4944634A
Jul 31, 1990
Anti-friction composition containing MgO and method
AMERICAN COLLOID CO
11 citations
71
US4990028A
Feb 5, 1991
Anti-friction composition containing MgO and method
AMERICAN COLLOID CO
5 citations
60
BLACKHAWK ENVIRONMENTAL CO
2 patents
US7562702B2
Jul 21, 2009
Drain cap stuffing box
BLACKHAWK ENVIRONMENTAL CO
2 citations
47
US7516796B2
Apr 14, 2009
Piston pump assembly with flexible riser pipe
BLACKHAWK ENVIRONMENTAL CO
1 citations
43