Assignee
LAMMERTINK FERDINAND
3 granted patents·28 citations·filing 1991–2005
Technology mixA63F1
Top patents by PatentIndex Score
3 records- 0176USD339390SRotatable manipulable puzzleLAMMERTINK FERDINAND·Filed 1991·Granted Sep 14, 1993·22 cites·1 claims
- 0275US7168703B2Puzzle game incorporating a rotational element and methods of playing thereofLAMMERTINK FERDINAND·Filed 2005·Granted Jan 30, 2007·6 cites·12 claims
- 0325USD368938SIntersecting manipulable puzzleLAMMERTINK FERDINAND·Filed 1995·Granted Apr 16, 1996·0 cites·1 claims
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