Individual holder
JOHNSTON JAMES A
US·4 granted patents·229 citations·filing 1988–1991
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0193US4921420AChild resistant disposable lighterJOHNSTON JAMES A·Filed 1988·Granted May 1, 1990·68 cites·23 claims
- 0291US5153050AComponent of printed circuit boardsJOHNSTON JAMES A·Filed 1991·Granted Oct 6, 1992·70 cites·8 claims
- 0388US4875283AMethod for manufacturing printed circuit boardsJOHNSTON JAMES A·Filed 1988·Granted Oct 24, 1989·57 cites·2 claims
- 0477US5256474AMethod of and apparatus for manufacturing printed circuit boardsJOHNSTON JAMES A·Filed 1989·Granted Oct 26, 1993·34 cites·10 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →