12 Utility Patents
#521 in Pittsburgh, US
#5,687 in
#162,117 in US
#327,272 in the World
Forward Citations = 123
Company Filing History:

Steinway Musical Properties, Inc.
where one patent can have more than one assignee
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#521 in Pittsburgh, US
#5,687 in
#162,117 in US
#327,272 in the World
Company Filing History:

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