Inventor · disambiguated record
Ronald J. Calzone
Also filed as: CALZONE RONALD J · CALZONE RONALD JOHN
5 granted patents·146 citations·filing 1987–2005
81Inventor score
Top patents by PatentIndex Score
5 records- 0189US5145310AReverse spring assist for trailer rampsCALZONE RONALD J·Filed 1991·Granted Sep 8, 1992·85 cites·19 claims
- 0281US6543750B1Protective cap for the top of metal fence postsFiled 2001·Granted Apr 8, 2003·35 cites·9 claims
- 0359US5462249AClamp for securing trailer ramp in transport positionFiled 1994·Granted Oct 31, 1995·22 cites·15 claims
- 0455US7249538B2Manipulator for automatic screwdriverCALZONE RONALD JOHN·Filed 2005·Granted Jul 31, 2007·2 cites·6 claims
- 0526US4765785ATrailer drilling machineCALZONE RONALD J·Filed 1987·Granted Aug 23, 1988·2 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →