Assignee
POLLOCK CLYDE
US·5 granted patents·117 citations·filing 1981–1990
Technology mixG09B5
Top patents by PatentIndex Score
5 records- 0162US5137452ABase--ten blocks employing single, attachable blocks of one color row of ten blocks of different colorPOLLOCK CLYDE·Filed 1990·Granted Aug 11, 1992·34 cites·7 claims
- 0261US4379700AMultiplication/division tutorial gamePOLLOCK CLYDE·Filed 1981·Granted Apr 12, 1983·19 cites·10 claims
- 0357US5238407ABlocks with mating bosses and recesses which bulge for interference fitPOLLOCK CLYDE·Filed 1990·Granted Aug 24, 1993·30 cites·13 claims
- 0448US5238408ARow of joined arithmetic blocks with common walls which are double end wall thicknessPOLLOCK CLYDE·Filed 1990·Granted Aug 24, 1993·20 cites·8 claims
- 0541US5176577ARectangular blocks for teaching arithmetic have uniform size joinability and transparencyPOLLOCK CLYDE·Filed 1990·Granted Jan 5, 1993·14 cites·11 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →