Title:
Piano key aligning means
United States Patent 3381576


Inventors:
Johnson, Melvin E.
Application Number:
US43478365A
Publication Date:
05/07/1968
Filing Date:
02/24/1965
Assignee:
STARCK PIANO CO
Primary Class:
International Classes:
G10C3/12
View Patent Images:
US Patent References:
2040304Key and key frame for grand pianos1936-05-12
1383500Musical instrument of the string type1921-07-05
1246998N/A1917-11-20
Foreign References:
GB115713A1918-05-23