Freddy Derfler — 2 Patents at Maytronics

Freddy Derfler has been granted 2 US patents while listed as an inventor at Maytronics. The first was granted in 1987 and the most recent in June 2002. Freddy Derfler ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Freddy Derfler in Haifa, IL.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
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

Freddy Derfler — 2 Patents

Issued Patents All Time

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