Rear dumping dragline bucket and rigging system

Assignee

• Unknown

Inventors

• Don F. Schmidt (3 patents)
• DuWayne A. Marthaller (1 patents)
• Karl Lemmerman (1 patents)
• Dean Bray (1 patents)
• William Lengenfelder (2 patents)
• R. Steven Metzger (1 patents)

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