Inventor · disambiguated record
David Hall
Also filed as: HALL DAVID · HALL DAVID Y
3 granted patents·1 pending application·109 citations·filing 1976–2005
75Inventor score
Top patents by PatentIndex Score
4 records- 0174US5042650ATamperproof coin casePROFESSIONAL COIN GRADING SERV·Filed 1990·Granted Aug 27, 1991·47 cites·13 claims
- 0264US4081124ACarton wall with reinforcing ribINDIAN HEAD INC·Filed 1976·Granted Mar 28, 1978·29 cites·7 claims
- 0363US5109977ATamperproof coin casePROFESSIONAL COIN GRADING SERV·Filed 1991·Granted May 5, 1992·33 cites·1 claims
- 0449US2007029213A1Dispenser with detachable trays and cupHALL DAVID·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →