Individual holder
HOLTER JOHN W
3 granted patents·159 citations·filing 1977–1988
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0187US4883456AAttitude and pressure responsive valveHOLTER JOHN W·Filed 1988·Granted Nov 28, 1989·57 cites·5 claims
- 0287US4621654AAttitude and pressure responsive valveHOLTER JOHN W·Filed 1986·Granted Nov 11, 1986·59 cites·10 claims
- 0385US4300440AVentilating hatch assemblyHOLTER JOHN W·Filed 1977·Granted Nov 17, 1981·43 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →