David M. Pittman

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Brooklyn Park, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Electronic proportioner using continuous metering and correction
- Patent number 8,851,111
- Issue date Oct 7, 2014
- Graco Inc.
- David M. Pittman
- B44 - DECORATIVE ARTS
Information Patent Grant
Electronic plural component proportioner
- Patent number 6,896,152
- Issue date May 24, 2005
- Graco Minnesota Inc.
- David M. Pittman
- G05 - CONTROLLING REGULATING
Information Patent Grant
Mechanical proportioner
- Patent number 6,168,308
- Issue date Jan 2, 2001
- Graco Minnesota Inc.
- David M. Pittman
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Electronic proportioner using continuous metering and correction
- Publication number 20060144447
- Publication date Jul 6, 2006
- David M Pittman
- B44 - DECORATIVE ARTS
Information Patent Application
Electronic plural component proportioner
- Publication number 20030015547
- Publication date Jan 23, 2003
- David M. Pittman
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL