Walsh Atkinson Co., Inc.

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Bohemia, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method to cut HVAC round and spiral ductwork and all...
- Patent number 8,683,841
- Issue date Apr 1, 2014
- Walsh Atkinson Co., Inc.
- Matthew J. Walsh
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...