G10H 2210/451
Holder scale or holdrian comma, i.e. 53 equal intervals per octave, with
Official title: Holder scale or Holdrian comma, i.e. 53 equal intervals per octave, with 31 intervals equal to an almost just perfect fifth; Keyboards therefor, e.g. "generalized keyboard" of Robert Holford Macdowall Bosanquet
G10H2210/451 (Holder scale or holdrian comma, i.e. 53 equal intervals per octave, with) appears on 1 US grants and 0 published applications in this corpus.
Search patents in G10H- Granted patents
- 1
- Published applications
- 0
- Assignees
- 0
- Inventors
- 1
- Latest grant
- 8 May 1979
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
No published applications in this class yet.
Most cited
By later US patents