Patents for Specialty Machine Company


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Patents for Specialty Machine Company
Patents 1 - 3 of 3
Picture	Number	Date	Patentee	Title
	918,049	Apr. 13, 1909	R.H. Hazeltine	Machine for Reseating Valves
	918,050	Apr. 13, 1909	R.H. Hazeltine	Valve Grinding Device
	RE13,421	May 21, 1912	R.H. Hazeltine	Machine for Reseating Valves