RB

Robert Alan Barrett

ES Eg&G Pressure Science: 2 patents #1 of 3Top 35%
🗺 Texas: #331 of 4,134 inventorsTop 9%
Overall (1989): #17,474 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4854600 Pressure balanced metallic S-seal Horace P. Halling, Mark Woozley 1989-08-08
4813692 Pressure balanced S-seal Horace P. Halling, Mark Woozley 1989-03-21