Frank A. Osmanski

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Hanover Park, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Visual comparator with test chart and method for evaluating contami...
- Patent number 5,710,373
- Issue date Jan 20, 1998
- Safety-Kleen Corporation
- Frank A. Osmanski
- G01 - MEASURING TESTING
Information Patent Grant
Apparatus and method for determining concentrations of oil or other...
- Patent number 5,698,774
- Issue date Dec 16, 1997
- Safety-Kleen Corp.
- Frank A. Osmanski
- G01 - MEASURING TESTING