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Ernst Hackenberg

Fohnsdorf, AT: #1 of 1 inventorsTop 100%

Overall (2005): #205,778 of 245,428Top 85%

1 Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6851225	Device for equalizing changes in level between a ground area surface and a frame for a manhole cover, and a method for mounting the device	Egon Haar	2005-02-08