Individual holder
SPIERS DENNIS D
5 granted patents·135 citations·filing 1977–2008
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
5 records- 0187US4113160ASheet slingSPIERS DENNIS D·Filed 1977·Granted Sep 12, 1978·38 cites·5 claims
- 0279US4913263AGrease packet for fifth wheelsSPIERS DENNIS D·Filed 1988·Granted Apr 3, 1990·36 cites·24 claims
- 0378US7490727B2Storage rackSPIERS DENNIS D·Filed 2002·Granted Feb 17, 2009·31 cites·3 claims
- 0475USD510822SStorage rackSPIERS DENNIS D·Filed 2002·Granted Oct 25, 2005·24 cites·1 claims
- 0569US8011520B2Storage rackSPIERS DENNIS D·Filed 2008·Granted Sep 6, 2011·6 cites·3 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →