Ernest J. Maroschak

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Roseboro, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for molding plastic pipe with enlarged portions formed th...
- Patent number 4,003,685
- Issue date Jan 18, 1977
- Ernest J. Maroschak
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Apparatus for making corrugated plastic pipe with integral coupler...
- Patent number 3,990,827
- Issue date Nov 9, 1976
- Plastic Tubing, Inc.
- Ernest J. Maroschak
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Septic tank tee
- Patent number 3,986,963
- Issue date Oct 19, 1976
- Ernest J. Maroschak
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Corrugated plastic drainage pipe with integral coupler
- Patent number 3,958,425
- Issue date May 25, 1976
- Plastic Tubing, Inc.
- Ernest J. Maroschak
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Tube doffing and bundling method
- Patent number 3,941,639
- Issue date Mar 2, 1976
- Ernest J. Maroschak
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL