Inventor · disambiguated record
David Alvin Alfrey
Also filed as: ALFREY DAVID ALVIN
3 granted patents·9 citations·filing 1999–2019
61Inventor score
Top patents by PatentIndex Score
3 records- 0176US10494177B1Modular system and method for material storage and conveyingAMADA AMERICA INC·Filed 2018·Granted Dec 3, 2019·4 cites·16 claims
- 0248US10676277B2Modular system and method for material storage and conveyingAMADA AMERICA INC·Filed 2019·Granted Jun 9, 2020·0 cites·9 claims
- 0325US6270043B1Roof mounted mast supportPTMW INC·Filed 1999·Granted Aug 7, 2001·5 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →