JL

John W. Leask

ED Engineering Dynamics: 2 patents #3 of 7Top 45%
📍 Carlisle, MA: #210 of 364 inventorsTop 60%
🗺 Massachusetts: #42,150 of 88,656 inventorsTop 50%
Overall (All Time): #2,323,919 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4927136 Braking system for exercise apparatus — 1990-05-22
4250392 Bi-focal collimator John C. Leask, Harry W. Straus 1981-02-10