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| Number | Title | Issue Date |
| 4925265 | Apparatus for directing a laser beam into optical fibers An apparatus for selectively directing a laser beam into a plurality of optical fibers and for selectively shifting the laser beam among the fibers includes a connector member having a plurality of passages extending longitudinally therethrough, the passa... | 05/15/1990 |
| 4918782 | Carpet fastener A fastener for securing carpet in place on the treads of staircases or elsewhere includes an anchor member having a boss at one end which extends out of the carpet and a relatively thin flat arm which extends under the carpet and which is fastened to the ... | 04/24/1990 |
| 4894971 | Board repair for correcting defects in lumber or the like Boards of lumber or the like which exhibit defects such as knots or knotholes are repaired by cutting a bore through the board at the site of the defect and by filling the bore with a plug of conforming shape. The width of the bore changes at a first loca... | 01/23/1990 |
| 4886016 | Spill resistant animal feeding dish A dish for holding substances that are to be consumed by an animal has a central portion forming a bowl and a peripheral region which slopes downwardly and outwardly from the rim of the bowl. An annular depression extends about the peripheral region to ca... | 12/12/1989 |
| 4874962 | Low power, leakage current switching circuit A low power switching circuit for delivering electrical power to a load includes a rectifier network connected between the hot leg of the AC utility supply and the earth ground of the utility supply. A neon lamp interposed in the rectifier supply limits t... | 10/17/1989 |
| 4874561 | Method for designing parametric molding apparatus A method for designing a molding apparatus, especially for molding lenses and the like, comprises defining a nominal mold reference curve disposed bewteen a pair of mold members having smooth, curved surfaces in confronting relationship to define a mold c... | 10/17/1989 |
| 4873730 | Disengagable ring fitting for a toilet A fitting for securing the base of a toilet or the like to a floor and which also couples the toilet to a drain pipe includes a ring and a sleeve which are normally held together in coaxial relationship but which can be disengaged, if necessary, for such ... | 10/17/1989 |
