Assignee
MACGREGOR DOUGLAS
CA·4 granted patents·90 citations·filing 1981–2006
Top patents by PatentIndex Score
4 records- 0177US5178595AWalking device to assist those with an injury to a lower limbMACGREGOR DOUGLAS·Filed 1992·Granted Jan 12, 1993·63 cites·19 claims
- 0272US8439684B2Method of teaching readingMACGREGOR DOUGLAS·Filed 2006·Granted May 14, 2013·5 cites·18 claims
- 0349US4350042ATime-depth integratorMACGREGOR DOUGLAS·Filed 1981·Granted Sep 21, 1982·9 cites·8 claims
- 0443US5047074APurging of nitrogen from natural gasMACGREGOR DOUGLAS·Filed 1989·Granted Sep 10, 1991·13 cites·11 claims
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