Assignee
STEINWAY MUSICAL PROPERTIES
US·3 granted patents·33 citations·filing 1991–1994
Top patents by PatentIndex Score
3 records- 0146US5511454APiano escapement actionSTEINWAY MUSICAL PROPERTIES·Filed 1994·Granted Apr 30, 1996·17 cites·21 claims
- 0238US5265515AKey covers formed of ivory substitute and pianos having sameSTEINWAY MUSICAL PROPERTIES·Filed 1992·Granted Nov 30, 1993·7 cites·6 claims
- 0338US5125310APiano forte hammer and method of making sameSTEINWAY MUSICAL PROPERTIES·Filed 1991·Granted Jun 30, 1992·9 cites·5 claims
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