Assignee
AMERICAN PLAYTIME SYSTEMS INC
US·3 granted patents·58 citations·filing 1990–1991
Technology mixA63B3
Top patents by PatentIndex Score
3 records- 0152US5203752AHorizontal ladder for playgroundsAMERICAN PLAYTIME SYSTEMS INC·Filed 1991·Granted Apr 20, 1993·26 cites·13 claims
- 0248US5177926AModular architectural structure for playground and the likeAMERICAN PLAYTIME SYSTEMS INC·Filed 1991·Granted Jan 12, 1993·22 cites·20 claims
- 0332US5137271AModular architectural structure for playgrounds and the likeAMERICAN PLAYTIME SYSTEMS INC·Filed 1990·Granted Aug 11, 1992·10 cites·19 claims
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