Michael S. Butkovich

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Aurora, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for keeping water from entering dispenser contain...
- Patent number 6,256,944
- Issue date Jul 10, 2001
- BP Amoco Corporation
- David Lyzinski
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Credit card reader extender
- Patent number 5,105,073
- Issue date Apr 14, 1992
- Amoco Corporation
- Albert J. Kovach
- G06 - COMPUTING CALCULATING COUNTING