Individual holder
PRESTON JOHN C
6 granted patents·1 pending application·185 citations·filing 1977–2021
Individually held — no corporate assignee on record.
Technology mixE04G7
Top patents by PatentIndex Score
7 records- 0197US4129197ASafety-catch scaffolding systemPRESTON JOHN C·Filed 1977·Granted Dec 12, 1978·81 cites·7 claims
- 0280US5156235ASet-up bracket for scaffoldingPRESTON JOHN C·Filed 1991·Granted Oct 20, 1992·32 cites·6 claims
- 0375US7815014B2Partly retractable construction platformPRESTON JOHN C·Filed 2004·Granted Oct 19, 2010·14 cites·15 claims
- 0468US5127492AScaffoldingPRESTON JOHN C·Filed 1989·Granted Jul 7, 1992·21 cites·6 claims
- 0568US2021180341A1ScaffoldingPRESTON JOHN C·Filed 2021·Application pending·0 cites
- 0666US4858726AScaffolding module and method erecting samePRESTON JOHN C·Filed 1988·Granted Aug 22, 1989·23 cites·1 claims
- 0751US4773506AScaffolding module and method of erecting samePRESTON JOHN C·Filed 1985·Granted Sep 27, 1988·14 cites·8 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →