Assignee
YELLOW FREIGHT SYSTEM INC
US·5 granted patents·188 citations·filing 1988–1991
Technology mixB65G5
Top patents by PatentIndex Score
5 records- 0193US5009560AMixed freight handling systemYELLOW FREIGHT SYSTEM INC·Filed 1988·Granted Apr 23, 1991·79 cites·27 claims
- 0275US5088873AManipulator mixed freight handling systemYELLOW FREIGHT SYSTEM INC·Filed 1991·Granted Feb 18, 1992·34 cites·16 claims
- 0374US5067867AConveyor for mixed freight handling systemYELLOW FREIGHT SYSTEM INC·Filed 1991·Granted Nov 26, 1991·33 cites·14 claims
- 0463US5176485AFreight manipulator with articulated cantilever boomYELLOW FREIGHT SYSTEM INC·Filed 1991·Granted Jan 5, 1993·25 cites·21 claims
- 0553US5174708ABoom mounted multiple stage freight lift apparatusYELLOW FREIGHT SYSTEM INC·Filed 1991·Granted Dec 29, 1992·17 cites·5 claims
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