Assignee
SPARTAN FELT COMPANY INC
US·4 granted patents·57 citations·filing 1993–1998
Top patents by PatentIndex Score
4 records- 0183US6117260AMethod of manufacturing fibrous nib for use in a marker penSPARTAN FELT COMPANY INC·Filed 1998·Granted Sep 12, 2000·27 cites·5 claims
- 0251US5885020AMarker pen having improved fibrous nibSPARTAN FELT COMPANY INC·Filed 1995·Granted Mar 23, 1999·19 cites·16 claims
- 0338US5525387AFibrous product and method thereof with thermosetting polymeric impregnantSPARTAN FELT COMPANY INC·Filed 1993·Granted Jun 11, 1996·8 cites·20 claims
- 0433US5482751AFibrous product and method thereof with thermoplastic polymeric impregnantSPARTAN FELT COMPANY INC·Filed 1995·Granted Jan 9, 1996·3 cites·4 claims
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