Sten G. Drennow

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S-243 00 Hoor, SE

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Patents Grantslast 30 patents

Information Patent Grant
Tooth pick and method for the manufacture thereof
- Patent number 5,693,360
- Issue date Dec 2, 1997
- Leif Einar Stern
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Device for separating blasting dust from blasting agent
- Patent number 5,107,632
- Issue date Apr 28, 1992
- Leif E. Stern
- B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
Information Patent Grant
Tooth pick
- Patent number D294072
- Issue date Feb 2, 1988
- Leif E. Stern
- D28 - Cosmetic products and toilet articles