Joseph R. Hartt

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Englewood, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Universal connector and automotive cigarette lighter assemblies and...
- Patent number 5,309,336
- Issue date May 3, 1994
- Millennia Corporation
- Joseph Hartt
- F21 - LIGHTING
Information Patent Grant
Hydraulic pump with pulsating high and low pressure outputs
- Patent number 5,007,812
- Issue date Apr 16, 1991
- Joseph R. Hartt
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES