CPC Y10T74/1221
Jump to navigation
Jump to search
CPC Y10T74/1221 is a patent class for xyz.[1][2]
References
This wiki has 4 patents in category "CPC Y10T74/1221".
Patents in category CPC Y10T74/1221
- Patent US-1904-796893 (English title: Means for imparting stability to unstable bodies, Inventors: Louis Brennan, Supplementary to patent: Patent GB-1903-27212, Filing date: 1904-12-03)
- Patent US-1910-1066860 (English title: Automatic stabilizer for aerial vehicles or other moving bodies, Inventors: Edmund Sparmann, Filing date: 1910-12-05)
- Patent US-1911-1050153 (English title: Automatic stabilizer for aeroplanes and the like, Inventors: Louis Marmonier, Filing date: 1911-10-19)
- Patent US-1914-1368226 (English title: Aeroplane-stabilizer, Inventors: Elmer A. Sperry, Filing date: 1914-07-17, Applicant firm: Sperry Gyroscope)
| Enclosing categories | |
|---|---|
| Subcategories | |
| Keywords | |
| Start year | |
| End year |
