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Huck's patented lockbolt
Huck's patented lockbolt
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GE's patent on the tungsten filament lamp, US Pat 1,018,502 – one of the patents that the Supreme Court said completely covered the manufacture and sa
GE's patent on the tungsten filament lamp, US Pat 1,018,502 – one of the patents that the Supreme Court said completely covered the manufacture and sale of incandescent light bulbs
GE tungsten filament lamp embodying the invention of US Pat 1,018,502 – one of those involved in the 1926 US v GE litigation
GE tungsten filament lamp embodying the invention of US Pat 1,018,502 – one of those involved in the 1926 US v GE litigation