IP Library › Granted Patent US 690,334
Granted Patent S1
US 690,334 · App. 29/353,762 · Granted Sep 24, 2013

Hole saw

Inventors: Robert Richard Zielonka (Enfield, CT); Joseph H. DeSantis (Ware, MA); Christopher F. Fitzgerald (Belchertown, MA); Peter Weremchuk (Simsbury, CT)
Assignee: Irwin Industrial Tool Company
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Quick Facts
Patent No.
US 690,334
App. No.
29/353,762
Granted
Sep 24, 2013
Kind
S1
Claims (1)

The ornamental design for hole saw, as shown and described.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 13, 2019
From: IRWIN INDUSTRIAL TOOL COMPANY
To: BLACK & DECKER INC.
Reel/Frame 048581/0170 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 25, 2010
From: ZIELONKA, ROBERT RICHARD; DESANTIS, JOSEPH H.; FITZGERALD, CHRISTOPHER F.; WEREMCHUK, PETER
To: IRWIN INDUSTRIAL TOOL COMPANY
Reel/Frame 024141/0217 →