Robert Ritchie

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West Chester, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Automated door assembly, press, and adhesive therefor
- Patent number 10,315,334
- Issue date Jun 11, 2019
- Masonite Corporation
- Bei-Hong Liang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Automated door assembly, press, and adhesive therefor
- Patent number 9,346,185
- Issue date May 24, 2016
- Masonite Corporation
- Bei-Hong Liang
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...

Patents Applicationslast 30 patents

Information Patent Application
Automated Door Assembly, Press, and Adhesive Therefor
- Publication number 20160279824
- Publication date Sep 29, 2016
- MASONITE CORPORATION
- Bei-Hong LIANG
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Application
AUTOMATED DOOR ASSEMBLY, PRESS, AND ADHESIVE THEREFOR
- Publication number 20120027999
- Publication date Feb 2, 2012
- Bei-Hong Liang
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...