JO

John T. Ostgaard

📍 Los Angeles, CA: #2,098 of 12,377 inventorsTop 20%
🗺 California: #93,399 of 386,348 inventorsTop 25%
Overall (All Time): #829,102 of 4,157,543Top 20%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
10619793 Oil conditioner for removing fluid impurities 2020-04-14
5957326 Apparatus for retrieving randomly organized articles 1999-09-28
4406152 Method and apparatus for calibrating a railroad tank car Rodney L. Palmer 1983-09-27
4372707 Pile installation and removal mechanisms in off-shore rigs and method of using same 1983-02-08
4322182 Apparatus and method for under-water jacking of piles 1982-03-30
4257720 Apparatus and method for driving members into the ocean floor 1981-03-24