1 result for “General Electric”
-
Patent · October 6, 1925
Process of Moulding Reinforced Packing Rings (US Patent 1,556,422, 1925)
…on October 6, 1925. The patent's description opens (from the scanned text): My invention relates to packing for piston rods which packing is of the general character described in my prior Patent No. 1,363…