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Piet Kalkman

IBItrec B.V.: 1 patents #1 of 2Top 50%

Waddinxveen, NL: #1 of 3 inventorsTop 35%

Overall (2002): #137,445 of 266,432Top 55%

1 Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6439445	Tensioner	Anne Klaas De Groot	2002-08-27