CPC Y10S416/03
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CPC Y10S416/03[1][2] This wiki has 3 patents in category "CPC Y10S416/03".
Patents in category CPC Y10S416/03
- Patent US-1876-187633 (English title: Improvement in screw-propellers, Inventors: William S. Hull, Filing date: 1876-11-07)
- Patent US-1908-1043830 (English title: Propeller, Inventors: Spencer Heath, Filing date: 1908-12-01)
- Patent US-1917-1246891 (English title: Propeller and tractor for use in aerial or marine propulsion or traction, Inventors: Samuel Diggle, Filing date: 1917-03-28)
References
- ↑ CPC Y10S416/03 element at Espacenet web site
- ↑ CPC Y10S416/03 element listed at USPTO
| Enclosing categories | CPC Y10S, CPC Y10S416/00 |
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