HC

Harold Collier

Overall (All Time): #1,074,847 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12241032 Composition for cleaning combustion engine systems Antony Leigh 2025-03-04
D1018541 Keyboard 2024-03-19
11898113 Composition for cleaning combustion engine systems Antony Leigh 2024-02-13
11747913 Ergonomic keyboard 2023-09-05