Individual holder
DELONG DAVID C
4 granted patents·44 citations·filing 1974–1997
Individually held — no corporate assignee on record.
Technology mixA47C3
Top patents by PatentIndex Score
4 records- 0158USD401239SHemispherical pagerDELONG DAVID C·Filed 1997·Granted Nov 17, 1998·11 cites·1 claims
- 0253US4054316ABench seats with end aligning and reinforcing insertsDELONG DAVID C·Filed 1976·Granted Oct 18, 1977·17 cites·5 claims
- 0345US3960405ABench seat with end aligning and reinforcing insertDELONG DAVID C·Filed 1974·Granted Jun 1, 1976·10 cites·5 claims
- 0433US4052101AStadium riser individual seat, support and armrest with common seat-row backrestDELONG DAVID C·Filed 1976·Granted Oct 4, 1977·6 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →