Pertti Sikanen

Follow

Person

Kuopio, FI

People

Patents Grantslast 30 patents

Information Patent Grant
Means for creating an electron curtain
- Patent number 4,572,957
- Issue date Feb 25, 1986
- Enso-Gutzeit OY
- Pertti Puumalainen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Procedure and means for creating an electron curtain with adjustabl...
- Patent number 4,543,487
- Issue date Sep 24, 1985
- Enso-Gutzeit OY
- Pertti Puumalainen
- H01 - BASIC ELECTRIC ELEMENTS