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 |
| 4637074 | Protective garment A protective garment having a vest portion for substantially covering the torso of a wearer utilizes inflatable envelopes adapted to inflate upon the occurrence of a predetermined event, such as a collision of an automobile in which the wearer is riding, ... | 01/20/1987 |
| 4637075 | Emergency medical services system An emergency medical services (EMS) system for delivering primary care and emergency treatment by EMS personnel is provided by personnel vest jackets constructed and organized for carrying EMS equipment and supplies in wearable and accessible arrangement.... | 01/20/1987 |
| 4637076 | Convertible vest-bag A vest-bag which is convertible between a vest garment configuration and a bag configuration comprises a unit of flexible material such as leather having a lower portion sectioned into laterally contiguous rectangular panels forming open ended pockets hav... | 01/20/1987 |
| 4637077 | Form-retaining insert for caps A form-maintaining insert for a cap which underlies the crown of a cap in face-to-face relation and provides tension in order to resist wrinkling or creasing of the crown so that the rear wall of the cap may be folded inwardly thereby reducing the space o... | 01/20/1987 |
| 4637078 | Undergarment for handicapped An undergarment for the handicapped comprises a brief or panty style garment having a lower front panel covering the crotch area that is releasably secured by hook and loop fastening means to a lower edge of the front panel of the garment for providing qu... | 01/20/1987 |
| 4637079 | Backflow preventing attachment for toilets A toilet backflow preventing valve and toilet bowl support for mounting between a standard soil pipe mounting flange and drain horn of a standard toilet bowl supports the toilet bowl closely adjacent the floor level, receives standard toilet bolts clampin... | 01/20/1987 |
| 4637080 | Air volume control Disclosed is an air volume control for use with a flowing water line to control the quantity of air sucked by venturi action into the water line. The air volume control comprises a tubular valve body with a common member defining co-axial oppositely direc... | 01/20/1987 |
| 4637081 | Fold-down seat construction An articulated back-to-back fold-down chair seat and side-rail track construction wherein the seats are mounted on slides which telescopically engage associated rails affixed to a chair platform support. The rails and slides have an interfitting cross-sec... | 01/20/1987 |
| 4637082 | Waterbed with removable side cushions A waterbed having peripheral resilient cushions for supporting its perimeter, said cushions being retained in position by means of a plurality of slings formed by inward extensions secured to the liner at a distance away from the vertical projection of th... | 01/20/1987 |
| 4637083 | Fluidized patient support apparatus A patient support structure that employs fluid pressure to fluidize granular material for patient support. Fluidizable granular material is received within the structure atop a fluid diffuser surface. Separate plenum chambers are located below the diffuse... | 01/20/1987 |
| 4637084 | Crimping and cutting tool A crimping and cutting tool useable for cutting wire and connection of a ferrule tip type electrical connector to an electrically conductive wire. The tool includes first and second lever members pivotally connected with a pivot pin. Each lever member has... | 01/20/1987 |
| 4637085 | Joint spanning construction for bridges or similar structures A joint spanning construction for bridges has a sealing body flush with the top edge of the road surface and comprising beading made of resilient rubber material inserted into recesses of open-topped sills. The beading is secured against lifting out by re... | 01/20/1987 |
| 4637086 | Swimming pool vacuum cleaner A swimming pool vacuum cleaning apparatus having a number of pivoted, easily separable sections and provided with end bumpers. The end sections of the apparatus can readily be separated from the center sections by removal of hinge pins. The end sections c... | 01/20/1987 |
| 4637087 | Swimming pool cleaner attachment A water foil is attached to a swimming pool brush or vacuum cleaning head. The foil has a check valve structure (one-way valve) incorporated therein so that the foil urges a cleaning device against a swimming pool surface when pushed down through the wate... | 01/20/1987 |
| 4637088 | Tape cleaning machine Means for cleaning a band of flexible tape as it moves from a supply reel to a takeup reel in a predetermined path of travel. Included is a pair of cleaning heads 20 and 22 which are engageable with opposite sides of the tape. The heads are initially loca... | 01/20/1987 |
| 4637089 | Device for cleaning light waveguide plug connector parts A rod-shaped member comprises a respective cleaning wick projecting from the member at each of its two ends, the cleaning wicks extending out of a pin-shaped member end at the one end and being guided in a hollow-cylindrically shaped member end at the oth... | 01/20/1987 |
| 4637090 | Plastic scraper A molded polygonally configured scraper which has a plurality of straight blade portions about the perimeter thereof. Preferably each blade portion has two raised edge members to facilitate scraping in opposed directions. One blade portion is supported by... | 01/20/1987 |
| 4637091 | Wiper arm assembly and system utilizing same A wiper arm assembly and system utilizing same is disclosed wherein a wiper arm of the assembly is alternately coupled to a wiper arm driver in first and second angular positions angularly spaced about a pivot axis to permit movement of the assembly to a ... | 01/20/1987 |
| 4637092 | Vacuum cleaner with agitator In a vacuum cleaner of the type arranged to stop a motor when a driven brush is overloaded due to engagement with carpet or other obstacles, a starter circuit responsive to a manually operable power switch is employed to start the motor. The rotation of t... | 01/20/1987 |
| 4637093 | Spring cushioned caster having a spring biased locking member A caster wherein a rotary yoke (4) rotatably supporting a wheel (8) is supported by a vertically extending shaft (5) so that it is rotatable relative to a fixed bracket (3). The rotary yoke (4) is supported so that it is vertically movable relative to the... | 01/20/1987 |
| 4637094 | Apparatus for collecting flesh of fish An apparatus for collecting the flesh of fish comprising an endless belt for conveying a material and two rotatable hollow rolls for collecting the flesh of fish each having a multiplicity of flesh collecting holes in its peripheral wall and being closed ... | 01/20/1987 |
| 4637095 | Method and apparatus for peeling sausage A method and apparatus for removing the skin or casing of a sausage involves feeding the sausage through skewed feed rollers to cause the body to move both longitudinally and rotationally, cutting the casing on a nose portion of the sausage, positively gr... | 01/20/1987 |
| 4637096 | Method and apparatus for cleaning cotton A method and apparatus for cleaning cotton is disclosed wherein an air stream bearing cotton is introduced into an inlet chamber having side-by-side outlet ducts covered with a screen that collects cotton yet lets trash pass therethrough. The air stream i... | 01/20/1987 |
| 4637097 | Cable bundler clip The cable bundler clip includes a pair of clip halves hingedly connected together to permit opening of the clip for insertion of cables and closing of the clip for bundling of cables. Latching means are provided to maintain the clip in the closed position... | 01/20/1987 |
| 4637098 | Shim used for cable clamp Disclosed herein is a shim having a quite simple and easily operable shape and is used for a cable clamp composed of a wedge-like member and a sleeve-like member, those members being telescopically assembled to clamp a cable therebetween. Said sleeve-like... | 01/20/1987 |
| 4637099 | Adjustable strap fastener A molded strap fastener of a generally rectangular shape includes a first cross bar for retaining therearound a looped end portion of a strap, a retainer portion disposed laterally adjacent to the cross bar and frictionally engageable with the strap end p... | 01/20/1987 |
| 4637100 | Hose clamping device A hose clamping device has a steel clamp band adapted to be tightened around an elastic hose in a ring-like form such that its opposite ends overlap each other. A tightening mechanism is provided on a portion of the band near the underlying end thereof an... | 01/20/1987 |
| 4637101 | Actuator with osmotic pressure actuation An actuator/sensor responsive to concentration of a substance in a liquid comprising a case containing in a rigid chamber a liquid of lesser concentration of that substance, and an exit opening at least in part occluded by a membrane possessing osmotic pr... | 01/20/1987 |
| 4637102 | Safety belt buckle for vehicles A safety belt buckle comprises a latch portion including two parallel plates, locking elements in the form of rolls, members for stopping the rolls in latched and unlatched positions of the buckle in the form of a wedge and plate-like pushers respectively... | 01/20/1987 |
| 4637103 | Simultaneous biaxial stretching machine for thermoplastic film webs A simultaneous biaxial stretching machine for thermoplastic film webs, said machine having two transport rails arranged on both borders of the film web, on which transport rails gripping devices for the gripping of the borders of the film web are guided, ... | 01/20/1987 |
| 4637104 | Apparatus for spreading out a plurality of filaments In a baffle tray for a fiber distributor, the tray has opposite curved walls, the lower edges of which of their midpoints are each provided with an arcuate recess to aid in uniform formation of a fleece.... | 01/20/1987 |
| 4637105 | Stringtape roll for Venetian blinds A stringtape roll for Venetian blinds, where the arresting member for the stringtape of the Venetian blind is constituted by a flexible tongue (7) which is bendably connected to the stringtape roll (1) and intended to be bent to locking engagement against... | 01/20/1987 |
| 4637106 | Process for the production of a laminated capacitor A process for the production of laminated capacitors constituted by a stack of dielectric layers separated by metallic foils or plates, those of the even and uneven rows being respectively interconnected by lateral electrical connections. A plurality of j... | 01/20/1987 |
| 4637107 | Machining machine The universal machine-tool for carrying machining operations comprises, mounted between two uprights, a cradle pivoting about an axis and carrying the table, susceptible of being rotatingly driven whereas a general slider enables to bring closer to the pa... | 01/20/1987 |
| 4637108 | Pallet changer A pallet changer including an arcuate clamp rail adapted to engage and support a pallet slidably, the arcuate clamp rail being provided in a work table in a machining center, and a plurality of arcuate support rails adapted to engage and support pallets s... | 01/20/1987 |
| 4637109 | Controlled deflection roller A cylinder construction in which a flexing force can be exerted on the interior surface of a hollow cylinder intermediate the ends thereof. The hollow cylinder is mounted for rotation about a shaft having an eccentric bearing intermediate the ends thereof... | 01/20/1987 |
| 4637110 | Method for making a composite cylinder block A two cycle internal combustion engine may be fabricated by employing an improved method for forming a composite cylinder block. The cylinder block includes liners which are cut from sections of cylindrical pipe and which are positioned in a cylinder bloc... | 01/20/1987 |
| 4637111 | Process of making heat exchangers A heat exchanger having groups integral fins projecting outwardly from the sidewalls of the heat exchanger is manufactured by advancing a cutter into the sidewalls of the heat exchanger, turning the integral fins outwardly and severing predetermined fins ... | 01/20/1987 |
| 4637112 | Method for shaping aluminum wheel Described herein is a method for shaping aluminum wheels, which comprises the steps of: (A) supporting opposite rim portions of a cylindrical forging aluminum work substantially of H-shape in section by means of spinning dies, and subjecting the work to p... | 01/20/1987 |
| 4637113 | Tool for removing and reapplying rivets This disclosure relates to a tool which is connected to a conventional air-powered chisel to remove old rivets and reapply new rivets, the tool including a collar secured by set screws to a chuck end portion of the power chisel and carrying a sleeve slida... | 01/20/1987 |
