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"Everyone acquainted with the subject will recognize it as a conspicuous failure."
Henry Morton, president of the Stevens Institute of Technology ; Said in 1880 about the light bulb
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| Number | Title | Issue Date |
| 5059198 | Gynecological tenaculum A new Tenaculum for gripping the human uterine cervix presses it against an inserted medical instrument such as the sheath of a hysteroscope. The new tenaculum has a pair of movable extension members which branch into two spaced arms each extending into a... | 10/22/1991 |
| 5045333 | Method for self-icing bakery goods A container of ingredients for an iced bakery good, and a method of icing a bakery good. The container comprises a first compartment which can hold batter or dough which can be frozen or cooled, and can hold the batter or dough during baking, or can also ... | 09/03/1991 |
| 5037440 | Orthopedic toe implant A prosthetic joint for replacing a metatarsal-phalangeal joint of a human toe has a head with a convex bearing surface that moves against the concave bearing surface of a base. The base is elliptical and formed by two different radii of curvature with a d... | 08/06/1991 |
| 5028144 | Brake fluid testing device A brake fluid tester for measuring the quality of brake fluid, comprising means for measuring the conductivity of the brake fluid, preferably comprising a plurality of comparators for comparing the resistance of the brake fluid to a plurality of reference... | 07/02/1991 |
| 5025372 | System and method for administration of incentive award program through use of credit Computer data processing, programming and printing for an improved incentive award program which allocates monetary amounts available for expenditure through credit instruments issued to program participants when the participants perform to a designated l... | 06/18/1991 |
| 5003159 | Food service system A food service system for serving meals that include hot foods. The system comprises at least one generally circular dish having a top surface for holding the foods that are to be served warm, and a bottom surface, an electrical heating element in the dis... | 03/26/1991 |
