Inventor · disambiguated record
A. Derrell Hightower
Also filed as: HIGHTOWER A DERRELL
3 granted patents·49 citations·filing 1989–1991
71Inventor score
Top patents by PatentIndex Score
3 records- 0168US5165523ASelectively removable block and pusher assembly and feed chain thereforNAT SERVICE IND INC·Filed 1991·Granted Nov 24, 1992·20 cites·14 claims
- 0259US5030189AMethod of making envelope with tear line formed by ultrasonic energyNAT SERVICES IND INC·Filed 1989·Granted Jul 9, 1991·25 cites·34 claims
- 0328US5125885ABonded envelope stack and method and apparatus for making sameNAT SERVICE IND INC·Filed 1990·Granted Jun 30, 1992·4 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →