Daniel P. Hearn

AR Atlantic Richfield: 3 patents #189 of 1,061Top 20%

📍 Richardson, TX: #770 of 2,156 inventorsTop 40%

🗺 Texas: #40,946 of 125,132 inventorsTop 35%

Overall (All Time): #1,679,367 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4503330	Determining level or tilt angle of solids in a rotatable chamber	—	1985-03-05
4443702	Hand operated level detector	—	1984-04-17
4413182	Level detector	—	1983-11-01