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Thomas Midgley
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Individual
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Individual
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Publication of GB190713141ApublicationCriticalpatent/GB190713141A/en
13,141. Widgley, T. Sept. 11, 1906, [date applied for under Patents Act, 1901]. Tyres, pneumatic &c.-For preventing slipping and skidding, metallic helices H are embedded in the tread and are arranged with exposed portions, so that on wear pairs of ends h are presented to engage the road.
GB190713141D1906-09-111907-06-06Improvements in and relating to Wheel Tires.
ExpiredGB190713141A
(en)