Douglas R. Stitt

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South Beloit, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Composite lifting beam
- Patent number 9,359,174
- Issue date Jun 7, 2016
- The Caldwell Group, Inc.
- Douglas R. Stitt
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Grinding device and method
- Patent number 6,419,564
- Issue date Jul 16, 2002
- Unova Ip Corp.
- James A. Herrman
- B24 - GRINDING POLISHING
Information Patent Grant
Grinding device and method
- Patent number 6,217,433
- Issue date Apr 17, 2001
- Unova Ip Corp.
- James A. Herrman
- B24 - GRINDING POLISHING
Information Patent Grant
Composite grinding and buffing disc with flexible rim
- Patent number 5,989,114
- Issue date Nov 23, 1999
- Unova Ip Corp.
- Allen Thomas Donahue
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
COMPOSITE LIFTING BEAM
- Publication number 20160214837
- Publication date Jul 28, 2016
- The Caldwell Group, Inc.
- Douglas R. Stitt
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Composite Lifting Beam
- Publication number 20150232303
- Publication date Aug 20, 2015
- The Caldwell Group, Inc.
- Douglas R. Stitt
- B66 - HOISTING LIFTING HAULING
Information Patent Application
Grinding device and method
- Publication number 20010034189
- Publication date Oct 25, 2001
- James A. Herrman
- B24 - GRINDING POLISHING