Douglas F. Hutchings

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Rockford, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Hidden fastener unit and related method of use
- Patent number 11,920,618
- Issue date Mar 5, 2024
- National Nail Corp.
- Roger A. Vandenberg
- E04 - BUILDING
Information Patent Grant
Hidden fastener unit and related method of use
- Patent number 11,261,893
- Issue date Mar 1, 2022
- National Nail Corp.
- Roger A. Vandenberg
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
HIDDEN FASTENER UNIT AND RELATED METHOD OF USE
- Publication number 20220136547
- Publication date May 5, 2022
- NATIONAL NAIL CORP.
- Roger A. Vandenberg
- E04 - BUILDING
Information Patent Application
HIDDEN FASTENER UNIT AND RELATED METHOD OF USE
- Publication number 20190055974
- Publication date Feb 21, 2019
- NATIONAL NAIL CORP.
- Roger A. Vandenberg
- E04 - BUILDING
Information Patent Application
LIGHTING FOR INSULATED GLAZING ASSEMBLY
- Publication number 20070177391
- Publication date Aug 2, 2007
- ODL, INCORPORATED
- Lee W. Davis
- F21 - LIGHTING
Information Patent Application
Door glass assembly with powered blind
- Publication number 20070144684
- Publication date Jun 28, 2007
- Douglas F. Hutchings
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS