Individual holder
HOLLENDONNER ROBERT R
3 granted patents·26 citations·filing 1976–1976
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0181USD245279SRook chess pieceHOLLENDONNER ROBERT R·Filed 1976·Granted Aug 2, 1977·24 cites·1 claims
- 0229USD245036SKnight chess pieceHOLLENDONNER ROBERT R·Filed 1976·Granted Jul 12, 1977·1 cites·1 claims
- 0328USD252411SQueen chess pieceHOLLENDONNER ROBERT R·Filed 1976·Granted Jul 17, 1979·1 cites·1 claims
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