Assignee
MARTIN DOOR MFG INC
US·6 granted patents·169 citations·filing 1989–2005
Top patents by PatentIndex Score
6 records- 0191US6401793B1Spring force safety locking system for sectional doorsMARTIN DOOR MFG INC·Filed 2000·Granted Jun 11, 2002·48 cites·8 claims
- 0283US7428918B2Controlled descent deviceMARTIN DOOR MFG INC·Filed 2005·Granted Sep 30, 2008·15 cites·18 claims
- 0382US6742564B2Spring force safety locking system for sectional doorsMARTIN DOOR MFG INC·Filed 2002·Granted Jun 1, 2004·32 cites·43 claims
- 0468US6227281B1Sectional door with roller shield apparatusMARTIN DOOR MFG INC·Filed 1999·Granted May 8, 2001·34 cites·13 claims
- 0567US6540003B1Sectional door with roller shield apparatusMARTIN DOOR MFG INC·Filed 1999·Granted Apr 1, 2003·33 cites·28 claims
- 0653USD327797SSupporting display unit for an overheadMARTIN DOOR MFG INC·Filed 1989·Granted Jul 14, 1992·7 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →