Individual holder
FONTANA JOHN D
3 granted patents·100 citations·filing 1977–1990
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0188US4254077AMethod for making decorative inlaid concrete blocksFONTANA JOHN D·Filed 1979·Granted Mar 3, 1981·50 cites·9 claims
- 0268US4168140AApparatus for producing a simulated brick construction memberFONTANA JOHN D·Filed 1977·Granted Sep 18, 1979·18 cites·2 claims
- 0362US5046887AGuttered paving blocksFONTANA JOHN D·Filed 1990·Granted Sep 10, 1991·32 cites·4 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →