Francis W. Griggs

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Indian Springs, AL, US

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Patents Grantslast 30 patents

Information Patent Grant
Threaded rebar manufacturing process and system
- Patent number 9,855,594
- Issue date Jan 2, 2018
- Nucor Corporation
- Francis W. Griggs
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Threaded rebar manufacturing process and system
- Patent number 9,010,165
- Issue date Apr 21, 2015
- Nucor Corporation
- Francis W. Griggs
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Threaded rebar manufacturing process and system
- Patent number 8,919,167
- Issue date Dec 30, 2014
- Nucor Corporation
- Francis W. Griggs
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
THREADED REBAR HOOP AND METHOD OF FORMING AND USE THEREOF
- Publication number 20180051464
- Publication date Feb 22, 2018
- Nucor Steel Birmingham, Inc.
- Francis W. Griggs
- E04 - BUILDING
Information Patent Application
THREADED REBAR MANUFACTURING PROCESS AND SYSTEM
- Publication number 20150336156
- Publication date Nov 26, 2015
- Nucor Corporation
- Francis W. Griggs
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
THREADED REBAR MANUFACTURING PROCESS AND SYSTEM
- Publication number 20120180543
- Publication date Jul 19, 2012
- Nucor Corporation
- Francis W. Griggs
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...