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Richard Douglas
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Individual
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Individual
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Publication of GB190705521ApublicationCriticalpatent/GB190705521A/en
5521. Douglas, R. March 7. Safety-pins.-The pin A and body member B cross one another without touching, forming a single loop 11 at one end so that the pin can be turned until the material is on the body member B, as shown in Fig. 4. The opening 14 to the shield is formed close to the body member B.
GB190705521D1907-03-071907-03-07Improvements in Safety Pins.
ExpiredGB190705521A
(en)