Assignee
STRY LENKOFF CO
US·9 granted patents·154 citations·filing 1984–1996
Top patents by PatentIndex Score
9 records- 0183US4586714APuzzle gameSTRY LENKOFF CO·Filed 1984·Granted May 6, 1986·46 cites·14 claims
- 0277USD340069SPen capSTRY LENKOFF CO·Filed 1991·Granted Oct 5, 1993·23 cites·1 claims
- 0350US5261703AGreeting card with compatible puzzle messageSTRY LENKOFF CO·Filed 1992·Granted Nov 16, 1993·16 cites·11 claims
- 0448US5176460APen cap for a writing instrument barrelSTRY LENKOFF CO·Filed 1991·Granted Jan 5, 1993·16 cites·12 claims
- 0545US4514177AInvisible ink quiz gameSTRY LENKOFF CO·Filed 1984·Granted Apr 30, 1985·10 cites·13 claims
- 0640US5234344ABook packageSTRY LENKOFF CO·Filed 1987·Granted Aug 10, 1993·16 cites·1 claims
- 0736US5160266AMix and match invisible ink gameSTRY LENKOFF CO·Filed 1991·Granted Nov 3, 1992·12 cites·18 claims
- 0833US6152449ACombined sticker and invisible ink gameSTRY LENKOFF CO·Filed 1996·Granted Nov 28, 2000·10 cites·9 claims
- 0929US5217231APower of observation invisible ink gameSTRY LENKOFF CO·Filed 1992·Granted Jun 8, 1993·5 cites·7 claims
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