MarCum Enterprises, Inc.

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Monticello, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Dash mounted sonar depth indicator
- Patent number D400450
- Issue date Nov 3, 1998
- MarCum Enterprises, Inc.
- Duane E. Cummings
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Gimbal mounted sonar depth indicator
- Patent number D394405
- Issue date May 19, 1998
- MarCum Enterprises, Inc.
- Duane E. Cummings
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Solid state depth locator having liquid crystal display
- Patent number 5,459,479
- Issue date Oct 17, 1995
- Marcum Enterprises Incorporated
- Duane E. Cummings
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

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