FD

Freddy Derfler

MA Maytronics: 1 patents #23 of 55Top 45%
Overall (All Time): #2,215,394 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6409916 Filter element for pool-cleaning device Shimon Zelas 2002-06-25
4635917 Method and apparatus for feeding sheets, particularly fabrics from a stack Daniel Granot, Ahron Siev 1987-01-13