Duane Edward Cummings

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Monticello, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Underwater camera
- Patent number D507588
- Issue date Jul 19, 2005
- MarCum Technologies
- Duane Edward Cummings
- D16 - Photography and optical equipment

Patents Applicationslast 30 patents

Information Patent Application
EXTERNAL WATER SHUTOFF
- Publication number 20090032114
- Publication date Feb 5, 2009
- Allen J. Nagle
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...