John Ethan Chapman

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Elgin, IA, US

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Patents Applicationslast 30 patents

Information Patent Application
Apparatus for Forming Dovetail and Box Joints
- Publication number 20150075674
- Publication date Mar 19, 2015
- John Ethan Chapman
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...