| Patent: | US 6079983 |
| Title: | Educational instrument for numbers |
| Date: | 27.06.2000 |
| Place: | |
| Country: | USA |
| Person: | Kane, Jr., James T. (94 Adams St. #108, Waltham, MA 02453) |
| Company: | |
| Internal Links: | Lehrmittel |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US6079983 (http://v3.espacenet.com/textdoc?DB=EPODOC&F=0&IDX=US6079983) (espacenet), US6079983 (http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=/netahtml/FPTO/srchnum.htm&r=1&f=G&l=50&s1=6079983.PN.&OS=PN/6079983&RS=PN/6079983) (uspto) |
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