RM

Robert J. Magill

AL Actionair Equipment Limited: 7 patents #1 of 6Top 20%
📍 Whitstable, GB: #1 of 19 inventorsTop 6%
Overall (All Time): #769,672 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
4592535 Damper blade David J. Gaiger 1986-06-03
4531534 Spring-powered actuator David J. Gaiger, Neil Simkins 1985-07-30
4333489 Spring-motor dual-functioning mechanism Donald J. Lockley, Richard J. Perrin 1982-06-08
4304248 Damper blade operating mechanism 1981-12-08
4256143 Shut-off damper Sydney J. Field 1981-03-17
4244397 Shut-off damper Sydney J. Field 1981-01-13
4184288 Smoke and fire shield damper Sydney J. Field 1980-01-22