1. Koch E (1901) Bicycle, U.S. Patent 680,048
2. Thompson ED (1898) Bicycle, U.S. Patent 598,186
3. Scott AA (1909) Improvements in or connected with the Front Forks of Motor-cycles, G.B. Patent 7,845
4. Feilbach AO (1914) Improvements in Forks for Velocipedes, motor cycles and the like, mG.B. Patent, 11,301
5. Harley WS (1925) Shock Absorber, U.S. Patent, 1,527,133