Risto A. Saarisalo

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Kuolimaa, FI

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Patents Grantslast 30 patents

Information Patent Grant
Control valve for a faucet and use of ultrasonic motor
- Patent number 5,411,241
- Issue date May 2, 1995
- Oras OY
- Pekka W. Nilsson
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Single-grip mixing valve
- Patent number 4,387,880
- Issue date Jun 14, 1983
- Oras OY
- Risto A. Saarisalo
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...