DD

David L. Dollar

BA Ball: 2 patents #113 of 366Top 35%
Overall (All Time): #1,069,517 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12203237 Malleable excavation attachment device 2025-01-21
11078643 Malleable excavation attachment device 2021-08-03
4444834 Lubricated metallic substrate Addison B. Scholes 1984-04-24
4221185 Apparatus for applying lubricating materials to metallic substrates Addison B. Scholes 1980-09-09