David N. Grover

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Littleton, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Incremental filament tension measurement device and method
- Patent number 6,134,974
- Issue date Oct 24, 2000
- Montech Systems, Inc.
- David N. Grover
- G01 - MEASURING TESTING
Information Patent Grant
Large-format plotter using segmented raster-scanning
- Patent number 5,274,397
- Issue date Dec 28, 1993
- Firstech Properties Company
- David N. Grover
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for vectorizing documents and symbol recognition
- Patent number 4,603,431
- Issue date Jul 29, 1986
- ANA Tech Corporation
- David N. Grover
- G06 - COMPUTING CALCULATING COUNTING