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Grumman-Olson and Grumman are not the same brand? According to Wikipedia Grumman-Olson was founded in 1946, and after bankruptcy in 2001 changed into Morgan Olson. Then it's no such thing, as Grumman (without Olson)? Because we have Grumman-Olson AND Grumman...
http://en.wikipedia.org/wiki/Morgan_Olson
)Grumman-Olson and Grumman are not the same brand? According to Wikipedia Grumman-Olson was founded in 1946, and after bankruptcy in 2001 changed into Morgan Olson. Then it's no such thing, as Grumman (without Olson)? Because we have Grumman-Olson AND Grumman...
http://en.wikipedia.org/wiki/Morgan_Olson