HA

Hermanus S. J. Altena

U.S. Philips: 4 patents #1,244 of 8,851Top 15%
📍 Drachten, NL: #74 of 272 inventorsTop 30%
Overall (All Time): #1,275,908 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6327784 Method of manufacturing a cutting member having an auxiliary layer Maarten Brussee, Foppe Kramer, Johan Pragt 2001-12-11
6312584 Method and apparatus for electrochemically machining a workpiece Anjali K. De Silva 2001-11-06
6214200 Method and arrangement for the electrochemical machining of a workpiece Maarten Brussee, Anton M. Boorsma, Foppe Kramer 2001-04-10
5904831 Method of electrochemically machining workpieces Maarten Brussee, Foppe Kramer 1999-05-18