...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 4008632 | Watch band link connecting device A tool to connect a pair of watch band link members of a band in which pairs of links are in overlapping relation, each link having a connection member at one end thereof and a channel opening at its other end adjacent the connection member of the other o... | 02/22/1977 |
| 4005629 | Truss bolt drift pin Fastener elements are provided for use at selected positions or openings in a composite truss system that is to be used in building construction for form work or permanent installation. The combination truss bolt drift pins proposed herein have shanks of ... | 02/01/1977 |
| 3986903 | MOSFET transistor and method of fabrication An n channel MOSFET transistor which includes doping of previously formed source and drain elements with a heavy diffusion of phosphorous or arsenic creating n+.sup.+ regions in the source and drain. The extra diffusion step is preferably accom... | 10/19/1976 |
| 3979994 | Pivot pin including detachable pilot section A mobile construction machine comprises a pair of working components pivotally connected together by a pin. The pin has a first stop means secured on a first end thereof to prevent longitudinal movement of the pin in a first direction relative to the comp... | 09/14/1976 |
| 3968557 | Alignment of centrifuge cells and counterbalances A tool is provided for the angular alignment of cells and counterweights in centrifuge rotors having diametrically opposite cylindrical chambers for the reception of such cells and counterweights, the rotor and chambers having parallel axes, each cell hav... | 07/13/1976 |
| 3955263 | Method and device for closing the fastener of a belt, more particularly a textile belt The invention concerns the fastening together of the ends of a belt. The sing of the fastener of a belt having fastening elements at each end is effected by means of two connecting straps fixed along each end and each comprising a guide ramp, a slide par... | 05/11/1976 |