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| Number | Title | Issue Date |
| 6994385 | Arrow extractor An arrow extractor presents a plate having a shelf thereon for placement along one side of an embedded arrow shaft. A locking block on the opposed side of the shaft is movable from a first release position to a second locked position against the shaft so as to clamp... | 02/07/2006 |
| 4215262 | Automatic percussion welding apparatus with stud feed A percussion welder includes a single acting main cylinder having a ram extending through both ends of the cylinder mounting a spring loaded chuck on one end of the ram and an adjustable return spring on its other end. An automated version includes a hollow ra... | 07/29/1980 |
| 4045649 | Holder for carbon arc electrodes A holder for a carbon arc electrode: the holder having an elongated body with an opening therethrough in which the electrode is positioned, the body having a slot in the lower end thereof communicating with the opening, the opening being defined in cross-... | 08/30/1977 |
