Robert L. Cooper

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Ulysses, KS, US

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Patents Grantslast 30 patents

Information Patent Grant
Trickle jumping charging device
- Patent number 4,831,321
- Issue date May 16, 1989
- Robert Cooper
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Underground surge irrigation system
- Patent number 4,812,082
- Issue date Mar 14, 1989
- Robert L. Cooper
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING