Inventor · disambiguated record

John D. Madderra

Also filed as: MADDERRA JOHN D

2 granted patents·10 citations·filing 2018–2020

50Inventor score

Technology areasA46B

Files withSCHWARZE IND INC2

Top patents by PatentIndex Score

2 records

0186US10711416B2Roadway sweeper with multiple sweeping modesSCHWARZE IND INC·Filed 2018·Granted Jul 14, 2020·10 cites·16 claims
0258US11572667B2Roadway sweeper with multiple sweeping modesSCHWARZE IND INC·Filed 2020·Granted Feb 7, 2023·0 cites·31 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →