6 Utility and 5 Design Patents
#3 in Folcroft, PA
#12,547 in Pennsylvania
#336,979 in US
#696,408 in the World
rank by utility patentsForward Citations = 106
Company Filing History:

K'nex Limited Partnership Group
Steiner-optik Gmbh
4. 2 out of 2
The Happy Penguin, LLC
5. 1 out of 832,627 patents
Other
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