Abstract: An apparatus for guiding a tool on a curved path which includes an elongated guide member elastically deformed in the shape of a spline curve and a means responsive to said elastically deformed curved guide member for directing or limiting the movement of the tool to a path responsive to the curved shape of the elastically deformed curved guide member.

Abstract: A manual stock feeder apparatus for feeding stock to a machine for processing said stock, said manual stock feeder having a moveable carriage capable of engaging a length of linear stock and capable of sliding along a plurality of parallel linear guide members toward said machine while engaging such length of linear stock and thereby feeding such linear stock into the machine for processing said stock. The apparatus further includes a second stock engagement means for engaging and securing the stock while the carriage 4 is being repositioned to its initial starting place to resume the feeding of stock to the machine for processing said stock.

Abstract: An electrically powered self-heating inoculating loop, including an inoculating loop capable of being heated by passing an electrical current through the loop, and a means for introducing and regulating the electrical current to said inoculating loop.

Abstract: A method of repairing lead-in wires of an electric light bulb, said bulb having a threaded base including a permanently secured insulative web, by removal of the insulative web on the base of the bulb, without removal of the base itself; repair of the inoperative lead-in wires; and replacement of the insulative web on the base of the bulb.