Hole saw

Assignee

• Irwin Industrial Tool

Inventors

• Joseph Thomas Novak (39 patents)
• Matthew Christopher Green (53 patents)
• Robert Richard Zielonka (11 patents)
• Joseph H. DeSantis (5 patents)
• Christopher F. Fitzgerald (8 patents)
• Peter Weremchuk (23 patents)
• William B. Korb (48 patents)

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