Assignee
DA INTERNATIONAL LTD
US·4 granted patents·192 citations·filing 1993–1999
Top patents by PatentIndex Score
4 records- 0177US6302429B1Convertible wheelchairDA INTERNATIONAL LTD·Filed 1999·Granted Oct 16, 2001·69 cites·6 claims
- 0277US6227752B1Failsafe weld-free method of joining tubular elementsDA INTERNATIONAL LTD·Filed 1999·Granted May 8, 2001·46 cites·19 claims
- 0363US5253888ARigid frame weldless wheelchairDA INTERNATIONAL LTD·Filed 1993·Granted Oct 19, 1993·46 cites·18 claims
- 0454US6270105B1Method of wheelchair constructionDA INTERNATIONAL LTD·Filed 1999·Granted Aug 7, 2001·31 cites·3 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →