Proportional flow divider
United States Patent 3179120
Inventors:
Erickson, Robert W.
Lindell, John F.
Publication Date:
04/20/1965
Other Classes:
414/708, 91/516
International Classes:
E02F3/43; F15B11/18; F15B11/20; G05D11/02; E02F3/42; F15B11/00; G05D11/00
US Patent References:
| 3032215 | Loader bucket leveling control | | | |