| Patent: | US 5954509 |
| Title: | Educational device |
| Date: | 21.09.1999 |
| Place: | |
| Country: | USA |
| Person: | Torres, Anthony (4985 W. 8th St., Greeley, CO 80634) |
| Company: | |
| Internal Links: | Lehrmittel |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US5954509 (http://v3.espacenet.com/textdoc?DB=EPODOC&F=0&IDX=US5954509) (espacenet), US5954509 (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=5954509.PN.&OS=PN/5954509&RS=PN/5954509) (uspto) |
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