Derek Zahajko

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Maple Valley, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Asphalt surface cleaning composition with bitumen rehardening and m...
- Patent number 11,208,615
- Issue date Dec 28, 2021
- Michael Zahajko
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
ASPHALT SURFACE CLEANING COMPOSITION WITH BITUMEN REHARDENING AND M...
- Publication number 20200339916
- Publication date Oct 29, 2020
- Michael Zahajko
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Application
METHOD OF PREVENTING A FOUL ODOR IN AUTOMOTIVE SERVICE STATIONS
- Publication number 20150087571
- Publication date Mar 26, 2015
- Derek Zahajko
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Application
Method of Maintaining A Painted Surface
- Publication number 20150072082
- Publication date Mar 12, 2015
- Derek Zahajko
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
METHOD FOR PROTECTING OUTDOOR ENVIRONMENT DISPLAY SCREENS AND MEMBR...
- Publication number 20150068675
- Publication date Mar 12, 2015
- Derek Zahajko
- B32 - LAYERED PRODUCTS