Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 4155122 | Light shield for welder's mask A welder's helmet has a window with an upper section of invariable light-attenuation characteristics and a dimmable lower section comprising an ultraviolet filter, an infrared filter, and an electro-optical shutter such as a liquid crystal sandwiched betw... | 05/22/1979 |
| 4155123 | Deodorizing manufacture for the foot using ion exchange material Deodorizing is accomplished by contacting odorant, such as that exuded by humans, with solid, essentially non-fluid anion exchanger material in substantially extended form. Articles used in the method are typically those worn on the body, such as hose, or... | 05/22/1979 |
| 4155124 | Burnt ceramic bone implant This invention is directed to a burnt ceramics composition of matter for an endosseous implant to be inserted in the bone tissue of a living body. The composition of matter consists of 95-50% of Al2 O3 and 5-50% of more than one comp... | 05/22/1979 |
| 4155125 | Iris clip anchoring means for intraocular lenses A lens suitable for implantation in the eye is provided with iris clips formed of plastic filaments each having at least one of its ends fastened to the lens. Ends of the clips to be fastened are ferruled and beaded for secure and permanent affixation.... | 05/22/1979 |
| 4155126 | Universal hospital chair A universal hospital chair comprising a first angular support frame with multiply apertured vertical sections; a second support frame, including a U-shaped vertical insert means having apertures aligning with those of the first support frame for assembly ... | 05/22/1979 |
| 4155127 | Cushioned toilet seat assembly A cushioned toilet seat assembly wherein the seat and cover members are each fabricated with a pair of upper and lower base members upholstered about the respective tops and bottoms thereof, and wherein the covering material overlaps and is affixed to rel... | 05/22/1979 |
| 4155128 | Toilet tank flush valve assembly A toilet tank flush valve assembly including a vinyl foam valve closure element is disclosed. A guide element is attached to the bottom of the valve closure element and extends into the flush pipe when the valve closure element is seated for guiding the s... | 05/22/1979 |
| 4155129 | Pan type bottom discharge toilet A bottom discharge toilet in which a trap is formed integrally with the toilet base. While the trap plays no role in the flushing action of the toilet itself, it is adapted to receive the discharge from other plumbing fixtures and thereby to serve as a si... | 05/22/1979 |
| 4155130 | Means for restraining cross helical spin-out The improved mattress innerspring unit is provided which includes a plurality of coil springs arranged in a plurality of substantially parallel rows, a plurality of cross helicals extending transversely of the rows of coil springs, lacing together adjacen... | 05/22/1979 |
| 4155131 | Platform bed frame A platform bed frame for a platform bed is provided which is capable of supporting a conventional mattress and box spring combination, or a mattress alone. The platform bed frame includes side plates and end plates which are connected together by coupling... | 05/22/1979 |
| 4155132 | Rescue equipment Rescue apparatus comprising a life belt, a housing support for said life belt, adapted to be mounted in a substantially erect manner, releasable retaining apparatus for retaining said life belt in juxtaposition to said housing support, and remote release ... | 05/22/1979 |
| 4155133 | Bookmaking Method of, and apparatus for, making books using the two-up, coming and going method in which halfblocks, two of which form a double book block, are moved in a single stream, alternate halfblocks being turned through 180° as they move and the halfblocks ... | 05/22/1979 |
| 4155134 | Method and means for forming, inserting and closing zigzag wire binders A system for forming zigzag wire binder material in a continuous strip, storing the strip as it leaves the forming station, and severing lengths as needed at an adjacent station at which the binder lengths are inserted in books. The invention permits the ... | 05/22/1979 |
| 4155135 | Pulling over mechanism A pulling over mechanism having pincers for gripping the margin of an upper mounted on a last for stretching the upper about the last pursuant to relative heightwise movement of the last with respect to pincers. A motor is actuable to move the pincers hei... | 05/22/1979 |
| 4155136 | Sound deadening in ultrasonic heel attacher Intensity of vibrations emitted by tool and workpiece acted upon is reduced by an enveloping mat of floppy fibres. In a heel attacher, for instance, the mat reduces by 14 or more decibels, and an operator incurs no risk of injury to his hands should they ... | 05/22/1979 |
| 4155137 | Water powered brush method and apparatus A water powered operable appliance method and apparatus in a water main line flow by an off-chute water line from the main line remote from the main line discharge end, and operated by the entire water flow through the off-chute line and then return of sa... | 05/22/1979 |
| 4155138 | Floor buffing machine A floor buffing machine having a pair of coaxial floor-engaging wheels for movement of the machine over the floor to be buffed, a motor drive, and a floor buffing pad support structure mounted to one side of the wheels, the machine pivoting around the whe... | 05/22/1979 |
| 4155139 | Paint brush with disposable applicator element A hand painting device is provided which consists of a handle, a flexible extension and a skirt for the containment of a removable polyurethane foam applicator. The skirt or cover contains the applicator and is removably connected to the handle by use of ... | 05/22/1979 |
| 4155140 | Paint applicator having detachable handle A paint applicator has a handle and a pad supporting base. A paint applying pad is attached to a first face of the base. First and second flanges, a groove, and a ramp are provided on a second face of the base for receiving and holding the handle. The han... | 05/22/1979 |
| 4155141 | Cement finishing tool A tool for simultaneously finish edging the wet cement surfaces abuting both sides of divider strips which separate the wet slabs is disclosed. The tool has a pair of blades adjustable to accommodate a variety of divider thicknesses. One of the adjustable... | 05/22/1979 |
| 4155142 | Tile grout scraper tool A traction tool for scraping away excessive grout between the joints of adjacent tile pieces of a floor or wall. The tool is fitted with a handle fixed to a base with a plurality of toothed wheels rotatably fitted in the base to extend below the undersurf... | 05/22/1979 |
| 4155143 | Separable handle for cleaner A handle which may be used with a power drive cleaner is disclosed, the handle being separable for knockdown shipment and thereby also having utility with non power driven cleaners. To this end, a clamping means, fixed to the cleaner, maintains a telescop... | 05/22/1979 |
| 4155144 | Damper device A damper device comprises first and second cylinders which are adjacent and rotatable with respect to each other and have respective hinge pieces, a piston operation member provided in the first and second cylinders in such a manner that it is rotatable w... | 05/22/1979 |
| 4155145 | Door lifter construction A door lifter mechanism for a railway car door is operable by a handle which acts on two fulcrum bars. A fulcrum bar lifter roller is carried by the handle and supports the ends of the fulcrum bars, which are joined by a pivot spool received in slots in t... | 05/22/1979 |
| 4155146 | Apparatus for cutting out the vent of a fowl Automatic vent cutting machine for poultry, cooperating with an overhead conveyor carrying birds by the ankle joints, having at least one cutting unit moving along with the conveyor and reciprocatable towards and away from the bird, the cutting unit havin... | 05/22/1979 |
| 4155147 | Top stops for slide fasteners A top stop of thermoplastic material is thermally fused onto a plurality of topmost scoops of a continuous coupling element on each stringer tape to limit the upward or fastener closing movement of the slider. The top stop is substantially L-shaped, compr... | 05/22/1979 |
| 4155148 | Tentering clip This invention relates to a gate type tentering clip with pivotally mounted jaw in which the jaw is provided with a new and novel pivoting movement.... | 05/22/1979 |
| 4155149 | File and method for making same A file comprises a handle and a tool connected to the handle. The tool comprises a body and a sleeve encompassing the body. The sleeve is formed of grinding material and includes an exterior grinding surface. Portions of the sleeve are disposed in recesse... | 05/22/1979 |
| 4155150 | Structural truss assembly and method A structural truss composed of spaced rails interconnected by a series of struts swingably coupled at their ends. Track members on the rails receive the ends of the struts which are slid into place between the rails. Thereafter, the struts are crimped in ... | 05/22/1979 |
| 4155151 | Heavy duty impeller and method of fabricating the same A fabricated, heavy duty centrifugal pump impeller wherein the relatively heavy gauge shrouds are formed by plastic deformation such as by metal spinning, stretch forming or hydroforming. The hub is similarly formed and a plurality or regularly circumfere... | 05/22/1979 |
| 4155152 | Method of restoring the shrouds of turbine blades A method of restoring the shroud of a turbine blade which has become worn, and particularly that edge of the shroud in the vicinity of what is commonly known as the Z-notch, which comprises the steps of grinding down the shroud in the vicinity of said not... | 05/22/1979 |
| 4155153 | Method for making a shaft seal having a guard or scraper A method for making an annular shaft seal of the type having an elastomeric sealing element bonded to a metal shell having a guard or scraper portion having a sharp I.D. edge, in which the sharp I.D. edge is formed or "pierced" during the molding process ... | 05/22/1979 |
| 4155154 | Anodization of electrolytic capacitor sections Wound foil electrolytic capacitor sections are anodized after winding. After removal of the formation electrolyte, the sections are rinsed, dried, and impregnated with working electrolyte. The sections are assembled by usual means into capacitors.... | 05/22/1979 |
| 4155155 | Method of manufacturing power semiconductors with pressed contacts The invention relates to a method of manufacturing power semiconductors with pressed contacts and with an interdigitated structure. The thickest contact metal coverings are formed by application of a metal layer by serigraphy on a first thin metal layer d... | 05/22/1979 |
| 4155156 | Method for manufacturing solid electrolytic capacitors A process is disclosed for the manufacture of solid electrolytic capacitors wherein sintered anode elements with their anode wires are attached to a clamping fixture. In a further step a notch is formed in the anode wires. After bending of the anode wires... | 05/22/1979 |
| 4155157 | Braze fixture A fixture useful both to receive and position parts assembled for brazing and to hold the assembled parts during the brazing process. Part locators in the fixture position the parts during assembly or loading, and remain attached to the fixture during bra... | 05/22/1979 |
| 4155158 | Apparatus for winding tubes around a core A method and a device for winding tubes around a core, for example in the manufacture of heat-exchangers, the device including a single horizontal platform concentric with the core and supporting a plurality of winder assemblies. The platform is movable b... | 05/22/1979 |
| 4155159 | Tool for connector member A fiber optic connector member having a removable front plate for protecting the faces of optical fibers mounted within the connector. The plate is retained within the connector shell by a resilient retention finger. The finger extends into a T-shaped slo... | 05/22/1979 |
| 4155160 | Can opener Disclosed is apparatus for removing the top of a metallic container such as an aluminum beverage container. The device, in removing the container top, leaves the bead around the top of the container intact. The severed edge remaining on the container is s... | 05/22/1979 |
| 4155161 | Extraoral force-applying orthodontic appliance An extraoral force-reaction device engageable with the wearer's head and/or neck, such as a headcap or a neckband, is connected to an intraoral force-applying device, such as molar bands, by force-producing means, such as springs. Snapback of the force-ap... | 05/22/1979 |
