"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 4219108 | Third rail system for track bound transport means In a third rail system for electric railroads, double T shaped third rails are used, the web of which has an internal longitudinal slot to receive the guide projections of support insulators and for the space saving mounting of electrical and mechanical c... | 08/26/1980 |
| 4204085 | Seismic-proof bus duct joint A bus duct joint for joining two bus ducts consists of a sheet metal enclosure having openings at each end for receiving the respective ends of bus ducts having internal bus which is to be joined together. The interior of the joint member contains flexibl... | 05/20/1980 |
| 4013329 | Multiple plate assembly for forming electrical connector or switch Apparatus defining an electrical connection capable of carrying relatively high electrical currents including a number of heavy-duty electrical conductors normally spaced apart and electrically interconnected by an improved connector unit having a plurali... | 03/22/1977 |
| 4003730 | Apparatus for making glass fibers A heating unit for converting batch mineral material to molten glass is disclosed. The unit includes a receptacle for the flowable material, heating elements for supplying heat to the flowable material, and movably mounted bus bars for supplying electrica... | 01/18/1977 |
| 3993505 | Interconnector for components such as solar cells or the like A thin conductive sheet having elongated openings extending inward from the edges to define a connecting arm extending from one end of one connecting surface to the diagonally opposite end of a second connecting surface. In one embodiment, the connecting ... | 11/23/1976 |