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President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 6230961 | Plate link for attaching a clasp link to an ornamental chain and a method of attaching the end of a chain to a clasp link A plate link (1), for attaching a clasp link (5) to the end of an ornamental chain (4), is provided for welding electrically at point (2) to constitute an unopenable ring, at one side of which is attached the end (3) of the ornamental chain (4) and at the... | 05/15/2001 |
| 5675837 | Process for the preparation of fibre reinforced metal matrix composites and novel preforms therefor A process for the preparation of a fibre reinforced metal matrix composite comprising fibres embedded in a metal in which the process comprises forming a body with a layer of aligned fibres between at least two layers of metal foil and densifying said lay... | 10/07/1997 |
| 4769884 | Robotic apparatus for automatically assembling chains A robotic chain assembly which uses two clamps, a robot gripper and a computer with auxiliary stations. The assembly both measures and cuts the chain, secures fasteners to the ends of the chain and secures the fasteners one to the other.... | 09/13/1988 |
| 4718592 | Apparatus for soldering an ornamental chain with loops having two intertwined strands An apparatus for discontinuously and simultaneously soldering an ornamental chain on two locations and with recovery of the cores which hold the loops, comprises a reel (2) for winding and unwinding the chain to be soldered, a pair of rollers (3,4) for ad... | 01/12/1988 |
| 4660611 | Tire chain An improved passenger car tire chain employing heat treated medium carbon steel is disclosed. The improved tire chain is approximately twice as durable as that presently furnished to meet NACM-5179(TC) for Type PL chains when AISI 1026 or 1029 carbon stee... | 04/28/1987 |
| 4649977 | Tire chain In a tire chain, at least one junction point has a horizontal link having the form of a shackle with a main part and with outward-directed ends adjoining this. The hardness of the main part is greater than the hardness of the ends facing one another, thes... | 03/17/1987 |
| 4644743 | Machine for the production of ornamental chains, in particular of the paired type A machine for the production of paired chains including a feeding assembly for the chains, a welding assembly of the chains and a take-up device for the produced chain. The feeding assembly for the chains includes a transport mechanism thereof suitable fo... | 02/24/1987 |
| 4569472 | Apparatus for automatically soldering jewelry chains An apparatus for automatically soldering flexible jewelry chains to certain parts such as locks or ornamental members wherein the parts to be soldered to the chain are retained by a retaining device and the chain is disposed on a carrier which is movable ... | 02/11/1986 |
| 4423896 | Replacement hasp, kit, and method for replacing railroad car lock hasps A replacement hasp for a railroad sliding door lock mechanism, a kit for making the hasp, and method for making the replacement using the kit are disclosed in two embodiments. The kit includes a member which partially defines an eye, sized to fit loosely ... | 01/03/1984 |
| 4230251 | Automatic apparatus for the treatment of links of metallic chains Automatic apparatus for the treatment of the links of metallic chains which comprises, in operative sequence: means for the automatic application of soldering powder to the chains being treated; means for the automatic removal of the excess of soldering p... | 10/28/1980 |
| 4073428 | Method and apparatus for continuously soldering of chains of precious metals or plated therewith A method and apparatus are provided for soldering abutting ends of links of chains of precious metals. The soldering is accomplished by applying solder to the abutting ends, continuously feeding the chain onto a rotating surface such as a rotating table, ... | 02/14/1978 |
| 4012618 | Method and apparatus for the successive welding of consecutive chain links For the successive welding of the joints of consecutive links forming a link chain, the chain is advanced in a chain welding machine to bring a link to be welded directly below a welding position; the two links flanking the link to be welded are aligned i... | 03/15/1977 |
| 3932249 | Mesh reinforced elastomeric polymers A method of forming a reinforced rubber sheet useful for the lining of pipes, acid tanks, chimneys and the like, wherein a metal grid is interposed between adhesive surfaces of each of two rubber sheets, the rubber sheets overlapping the metal grid along ... | 01/13/1976 |
