Patent information:
| Patent: | Utility 121,686 |
| Patented: | December 5, 1871 |
| Applied: | |
| Title: | Improvement in Sounding Boards for Pianos |
| Description: | Support for piano comprised of three layers of wooden boards |
| Category: | Piano |
| Assigned to: | |
Patentee Information:
Class and subclass information:
| Class: | 84 | MUSIC |
| Subclass: | 190 | |
Known specimens:
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Drawings:
Page 1 |
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