Adjustable blade turbines

Assignee

• Voith Hydro

Inventors

• Joseph M. Cybularz (9 patents)
• Richard K. Donelson (11 patents)
• Richard K. Fisher, Jr. (29 patents)
• Robert G. Grubb (15 patents)
• Randy V. Seifarth (4 patents)
• Siegbert Etter (3 patents)
• Donald E. Zehner (3 patents)

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