Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 5557262 | Fire alarm system with different types of sensors and dynamic system parameters A fire alarm system utilizes outputs from different types of fire sensors, such as photoelectric smoke sensors or ionization type smoke sensors and combines those outputs by subtraction so as to establish a delay interval during which one or both of the s... | 09/17/1996 |
| 5524407 | Modular shutter and retention assembly A shutter and retention assembly of modular members molded or extruded from a polymeric material includes a pair of side rails, each side rail having a front wall, an outer wall and an inner wall. The inner wall includes a retaining channel formed therein... | 06/11/1996 |
| 5430863 | Interface system for coupling two computer environments A computer interface is provided for communication between a first computer environment and a second computer environment. The interface includes an input for receiving information from the first computer environment and an output for communicating inform... | 07/04/1995 |
| 5427034 | Pallet having notched stinger and notched brace A predominantly paperboard pallet is disclosed. Each of two outer stringers and one middle stringer or each of two outer stringers and two middle stringers is folded so as to have a given cross-section, preferably trapezoidal and tapering downwardly. Plur... | 06/27/1995 |
| 5379880 | Method and apparatus for electrostatic coating of articles A continuous, automated method and apparatus for transporting and electrostatically coating articles including providing a plurality of articles in an unoriented bulk state, each article having a first end portion, orienting each article and transporting ... | 01/10/1995 |
| 5372074 | Paperboard pallet A paperboard pallet having a trapezoidal profile is disclosed, which comprises two outer stringers, an additional stringer therebetween, an upper sheet, and a lower sheet. Each stringer has a trapezoidal profile. The upper sheet is secured adhesively to a... | 12/13/1994 |
| 5364985 | Process for separating mixture of ethylene glycol and dimethyl terephthalate polymers A process for separating ethylene glycol from a mixture of ethylene glycol and dimethyl terephthalate polymers is described. The mixture is comminuted, mixed with water, and agitated at a high fluid shear rate to disperse the polymers. A flocculant and, o... | 11/15/1994 |
| 5354024 | Tripod for firearms Tripod for firearms, comprising a pivot support (1) having a vertical axis, to the flanges (5,6,7) of which are secured telescopical, adjustable legs (2,3,4), the first flange axis being horizontal enabling the leg (5) to be turned a vertical plane, the s... | 10/11/1994 |
| 5342585 | Apparatus for making multiple synthesis of peptides on solid support An apparatus is disclosed for performing a multiple synthesis of peptides on a solid carrier. Active components are successively bonded to functional groups anchored on a carrier. The carrier comprises a planar porous material divided into functionalized ... | 08/30/1994 |
| 5342315 | Trocar seal/protector assemblies Trocar assembly embodiments are disclosed that include a trocar tube and a housing defining a chamber adjoining a proximal end portion of the trocar tube. An elastomeric seal member is positioned within the chamber for sealing the chamber as an elongate i... | 08/30/1994 |
| 5329828 | Three-shaft gearbox with dual input motors The present invention relates to a three-shaft gearbox particularly for industrial vehicles in general, which comprises an input shaft which is associable with a power unit and selectively interacts with a first countershaft or with a second countershaft.... | 07/19/1994 |
| 5324770 | Ethylene oxide/propylene oxide block copolymers as green binders for ceramics The present invention comprises block copolymers of alkylene oxides, such as ethylene oxide and propylene oxide, which are further formulated with additional polymers such as poly(N-vinylpyrrolidinone), poly (vinyl alcohol), and certain low foam additives... | 06/28/1994 |
| 5303642 | System for monitoring trash compactors In a system for monitoring trash compactors, each monitoring unit associated with a trash compactor comprises a transducer for sensing hydraulic pressure, for generating an analog signal from the sensed pressure, and for converting the analog signal to a ... | 04/19/1994 |
| 5294413 | Sterilization and storage cassette A sterilization and storage cassette formed of heat-resistant plastic and having two identical tray halves. In one embodiment, at least one tray half includes a rotatable retaining member for retaining dental instruments within the tray. In a second embod... | 03/15/1994 |
| 5288758 | New urea derivatives, their preparation and their application in therapy New urea derivatives corresponding to the general formula 1 ##STR1## in which: R1 represents a C1 -C4 alkyl group; R2 represents: a C5 -C7 cycloalkyl group a cycloalkylmethyl group in which the ... | 02/22/1994 |
