JL

John C. Leask

ED Engineering Dynamics: 2 patents #3 of 7Top 45%
🗺 Massachusetts: #33,482 of 88,656 inventorsTop 40%
Overall (All Time): #1,659,226 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5254061 Eddy current braking system — 1993-10-19
5031900 Eddy current braking system — 1991-07-16
4250392 Bi-focal collimator John W. Leask, Harry W. Straus 1981-02-10