Inventor · disambiguated record
Frederick Alexander
Also filed as: ALEXANDER FREDERICK · ALEXANDER FREDERICK M
4 granted patents·32 citations·filing 1986–2016
73Inventor score
Top patents by PatentIndex Score
4 records- 0182US9886837B1Personal alarm systemALEXANDER FREDERICK·Filed 2016·Granted Feb 6, 2018·7 cites·7 claims
- 0260US5060585AAgricultural seed planterALEXANDER FREDERICK M·Filed 1990·Granted Oct 29, 1991·21 cites·16 claims
- 0329USD674595SPainter's cupALEXANDER FREDERICK M·Filed 2012·Granted Jan 22, 2013·2 cites·1 claims
- 0425US4733824AParticulate material distributor, having a tensioned flexible cover for clean-out aperture below hopperALEXANDER FREDERICK·Filed 1986·Granted Mar 29, 1988·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →