Robert Richard Zielonka

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Enfield, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Hole saw
- Patent number D659176
- Issue date May 8, 2012
- Irwin Industrial Tool Company
- Joseph Thomas Novak
- D15 - Machines not elsewhere specified

Patents Applicationslast 30 patents

Information Patent Application
HOLE CUTTER WITH EXTRUDED CAP
- Publication number 20110170965
- Publication date Jul 14, 2011
- Irwin Industrial Tool Company
- Joseph Thomas Novak
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR