KH

Keller Hans

UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Dürnten, CH: #3 of 4 inventorsTop 75%
Overall (All Time): #3,526,999 of 4,157,543Top 85%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6640356 Method for transmitting and evaluating advertising and information in toilet facilities and a display arrangement for carrying out said method in a urinal or toilet area 2003-11-04