Kalevi Hetemaa

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Helsinki, FI

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Patents Grantslast 30 patents

Information Patent Grant
Dual rails for roller pallets
- Patent number 4,640,459
- Issue date Feb 3, 1987
- Elevator GmbH
- Kalevi Hetemaa
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Pick-up means for roller pallets
- Patent number 4,543,026
- Issue date Sep 24, 1985
- Elevator GmbH
- Heino Halonen
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL