DH

David Hart

TW Twitter: 1 patents #49 of 200Top 25%
UN Unknown: 1 patents #306 of 3,153Top 10%
Overall (2022): #167,283 of 548,613Top 35%
2
Patents 2022

Issued Patents 2022

Patent #TitleCo-InventorsDate
11486221 Wellbore casing repair safety tool for low-pressure hydrocarbon wells 2022-11-01
11216172 Scrolling feed while maintaining expanded size of post in feed Lisa Ding, Jose Hernandez 2022-01-04