HH

Horace P. Halling

ES Eg&G Pressure Science: 2 patents #1 of 3Top 35%
📍 Laurel, MD: #1 of 19 inventorsTop 6%
🗺 Maryland: #78 of 1,164 inventorsTop 7%
Overall (1989): #25,430 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4854600 Pressure balanced metallic S-seal Robert Alan Barrett, Mark Woozley 1989-08-08
4813692 Pressure balanced S-seal Robert Alan Barrett, Mark Woozley 1989-03-21