Assignee
WHITE METAL ROLLING & STAMPING
7 granted patents·190 citations·filing 1975–1987
Top patents by PatentIndex Score
7 records- 0179US4011926AStability stepladdersWHITE METAL ROLLING & STAMPING·Filed 1976·Granted Mar 15, 1977·41 cites·6 claims
- 0279US3948352AExtension ladder with ladder leveler meansWHITE METAL ROLLING & STAMPING·Filed 1975·Granted Apr 6, 1976·40 cites·8 claims
- 0373US4039047ALadders incorporating retractable ground spikesWHITE METAL ROLLING & STAMPING·Filed 1976·Granted Aug 2, 1977·36 cites·4 claims
- 0464US4332308ASafety stepladdersWHITE METAL ROLLING & STAMPING·Filed 1980·Granted Jun 1, 1982·24 cites·9 claims
- 0559US4768620AMetal extension planksWHITE METAL ROLLING & STAMPING·Filed 1987·Granted Sep 6, 1988·21 cites·12 claims
- 0659US4079814AStepladdersWHITE METAL ROLLING & STAMPING·Filed 1977·Granted Mar 21, 1978·19 cites·8 claims
- 0733US4266631AExtension ladders with rotary hook locksWHITE METAL ROLLING & STAMPING·Filed 1980·Granted May 12, 1981·9 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →