DJ

David E. Johnston

GL George Angus & Company Limited: 2 patents #1 of 1Top 100%
📍 Duvall, WA: #1 of 3 inventorsTop 35%
🗺 Washington: #28 of 744 inventorsTop 4%
Overall (1982): #15,243 of 81,411Top 20%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4348030 Toggle-action face seal for relatively rotatable members — 1982-09-07
4348031 Rotary fluid seals with floating sealing rings — 1982-09-07