EF

Ernst M. Frey

📍 Unterägeri, CH: #1 of 2 inventorsTop 50%
Overall (1982): #66,714 of 81,411Top 85%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4320423 Apparatus for automatic repeated reproduction of sound on selected portions of magnetic tape or the like Alois Aregger 1982-03-16