HG

Hendrik Theodorus van de Grampel

GE: 2 patents #244 of 2,468Top 10%
📍 Mijnsheerenland, NL: #1 of 3 inventorsTop 35%
Overall (2004): #62,686 of 270,089Top 25%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6790501 Limited-play optical media with improved shelf-life and playability Jan-Pleun Lens, Marc Brian Wisnudel, Daniel R. Olson, Joe Parker, Emil Markov Georgiev +1 more 2004-09-14
6716505 Storage medium for data with improved dimensional stability Irene Dris, Grant Hay, Steven Hubbard, Geert Boven 2004-04-06