Assignee
ASHLAND PROD CO
US·9 granted patents·751 citations·filing 1984–1989
Top patents by PatentIndex Score
9 records- 0196US4791756ALatch for pivotal sash windowASHLAND PROD CO·Filed 1988·Granted Dec 20, 1988·93 cites·4 claims
- 0295US4824154ASecurity lock for double-hung windowASHLAND PROD CO·Filed 1988·Granted Apr 25, 1989·111 cites·6 claims
- 0395US4553353ALatch for pivotal sash windowASHLAND PROD CO·Filed 1984·Granted Nov 19, 1985·97 cites·7 claims
- 0494US4837975AExternally mounted latch for slidable sash windowASHLAND PROD CO·Filed 1988·Granted Jun 13, 1989·80 cites·13 claims
- 0593US4622778ALatch and corner support for pivotal window sashASHLAND PROD CO·Filed 1985·Granted Nov 18, 1986·75 cites·21 claims
- 0693US4578903ACorner locking and associated pivot means for extruded plastic sash windowsASHLAND PROD CO·Filed 1984·Granted Apr 1, 1986·82 cites·34 claims
- 0792US4901475AExternally mounted latch for slidable sash windowASHLAND PROD CO·Filed 1988·Granted Feb 20, 1990·88 cites·5 claims
- 0891US4923230ASelf-contained security lock for double-hung windowASHLAND PROD CO·Filed 1989·Granted May 8, 1990·70 cites·7 claims
- 0986US4581850ACombination pivot corner and slide guide for sash windowASHLAND PROD CO·Filed 1984·Granted Apr 15, 1986·55 cites·7 claims
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