Individual holder
SOUTHERN DON L
5 granted patents·155 citations·filing 1988–1990
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
5 records- 0181US5121814AAdjustable ladder stand-off brace for corner wallsSOUTHERN DON L·Filed 1990·Granted Jun 16, 1992·61 cites·19 claims
- 0267US5113973AAdjustable stand-off brace for a ladderSOUTHERN DON L·Filed 1990·Granted May 19, 1992·38 cites·1 claims
- 0361US4754842ALadder safety deviceSOUTHERN DON L·Filed 1988·Granted Jul 5, 1988·26 cites·9 claims
- 0447US5014483AApparatus for repairing holes in woodSOUTHERN DON L·Filed 1989·Granted May 14, 1991·13 cites·1 claims
- 0544US5165641ALarge contact area braces for a ladderSOUTHERN DON L·Filed 1990·Granted Nov 24, 1992·17 cites·4 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →