Alfred Doppler — 2 Patents at Unknown

Alfred Doppler has been granted 2 US patents while listed as an inventor at Unknown. The first was granted in 2003 and the most recent in April 2013. Alfred Doppler ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Alfred Doppler in Wohlen, CH.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
8418609	Impression roller	Pierre Rischmann	2013-04-16
6578478	Electrostatic arrangement for rotogravure and flexographic printing unit	—	2003-06-17

Alfred Doppler — 2 Patents

Issued Patents All Time

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