US Patents
- U.S. Patent 1,729,882 Control system, 1924
- U.S. Patent 1,640,549 Gyroscopic stabilizer system, 1922
- U.S. Patent 1,416,038 Driving system for gyroscopic stabilization, 1922
- U.S. Patent 1,392,182 Means for preventing commutator flashing, 1921
- U.S. Patent 1,390,624 System of electrical ship propulsion, 1921
- U.S. Patent 1,387,496 Speed control for induction motors, 1921
- U.S. Patent 1,336,566 Speed control for induction motors, 1920
- U.S. Patent 1,333,664 Speed control for induction motors, 1920
Read more about this topic: Benjamin G. Lamme