References
- Magnetic fluid shock absorber, US patent 2,667,237 (1954).
- Magnetic fluid torque and force transmitting device, US patent 2,575,360 (1951).
- Field responsive fluid couplings, US patent 2,886,151 (1959)
- Magnetic valve, US patent 2,670,749 (1954).
- Valve for magnetic fluids, US patent 3,010,471 (1961).
- Magnetic solvent extraction, US patent 5,043,070 (1991).
- Thixotropic magnetorheological materials, US patent 5,645,752 (1997).