Ralph F. Schwarz

Follow

Person

Vinkeldik, NL

People

Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing gel candles having non-metal core wicks
- Patent number 6,090,331
- Issue date Jul 18, 2000
- S. C. Johnson & Son, Inc.
- Ralph F. Schwarz
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...