Vaino J. Holopainen

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East Sullivan, NH, US

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Patents Grantslast 30 patents

Information Patent Grant
Coffee filter system
- Patent number 4,362,623
- Issue date Dec 7, 1982
- Vaino J. Holopainen
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Material handling apparatus
- Patent number 4,155,473
- Issue date May 22, 1979
- Vaino J. Holopainen
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Control handle
- Patent number 3,983,791
- Issue date Oct 5, 1976
- Vaino J. Holopainen
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING