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"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 4566708 | General purpose dolly for campgrounds A dolly system for campgrounds, parks and the like. A picnic table dolly, a general purpose dolly and various attachments for the general purpose dolly are included in the system. The picnic table dolly is suitable for use alone or in combination with the... | 01/28/1986 |
| 4559941 | Eyeglass frame and nasal cannula assembly An eyeglass frame and nasal cannula assembly for inconspicuously administering oxygen or other gases into the nostrils of a patient having respiratory ailments. An eyeglass frame has a pair of grooves in the rear surface of its front piece and a groove in... | 12/24/1985 |
| 4558855 | Device for compressing article holding racks A device for simultaneously compressing a row of resilient finger pairs on an article holding rack to facilitate placement and removal of articles. A pair of opposed, plate-like jaws are supported in the same horizontal plane by a pair of parallel, L-shap... | 12/17/1985 |
| 4540375 | Graphic arts toy A graphic arts toy including a string retaining sketch pad, an elongated string, and means for storing, dispensing and retracting the string. The string retaining sketch pad comprises a flexible, plate-like element having a plurality of upwardly extending... | 09/10/1985 |
| 4520813 | Endotracheal tube holder An endotracheal tube holder which is particularly suitable for use during medical emergency situations. The holder comprises a pair of identical curved, plate-like hooking members and an interconnecting attachment band which encircles the patient's face a... | 06/04/1985 |
| 4505489 | Dolly system for campgrounds A dolly system for campgrounds, parks and the like. A picnic table dolly, a general purpose dolly and various attachments for the general purpose dolly are included in the system. The picnic table dolly is suitable for use alone or in combination with the... | 03/19/1985 |
| 4502731 | Seat frame A one-piece seat frame structure having a plurality of parallel curvilinear slots which demarcate cantilever-action spring segments. A thin-walled, hollow, molded plastic body, or a similar body of another suitable relatively rigid material having resilie... | 03/05/1985 |
| 4502197 | Seal retainer installing and removing tool A tool for installing and removing a seal retainer of the type found on the drive axles of certain front wheel drive automobiles. The tool comprises a C-ring for engaging a seal retainer and a crossbar parallel to the C-ring. A pair of spacers are rigidly... | 03/05/1985 |
| 4484408 | Talking figure play set A talking figure play set comprising an environmental structure having a record player with an upwardly pointing stylus on its tone arm and a plurality of human figures or animal figures, or both, each having an open-bottom base with a phonograph record p... | 11/27/1984 |
| 4480352 | Apparatus for cleaning lenses, mirrors and the like An apparatus for cleaning lenses, mirrors and the like. A single, elongated piece of essentially flat plastic material has a pair of parallel, transverse grooves which demarcate a pair of jaws with a connecting element there between. By folding along such... | 11/06/1984 |
| 4464861 | Plush toy An electrically lighted plush toy having a glowing face or head. A semi-rigid vinyl, hollow, translucent head has a plush exterior cover attached thereto. The plush exterior cover encloses a resilient mass which surrounds an essentially cylindrical, molde... | 08/14/1984 |
| 4417670 | Device for dispensing tissue paper and sheet material A device for dispensing tissue paper and similar sheet material, such as hair end-wrap papers used in the beauty and cosmetology profession. A pick-up assembly is mounted on an essentially rectangular container for a stack of tissue paper or similar sheet... | 11/29/1983 |
| 4414774 | Fashion and hairstyle doll play set A fashion and hairstyle doll play set comprising a self-standing, three-dimensional doll and various removably attachable articles simulating clothing, headgear and coiffured natural hair. The doll included in the play set comprises a rigid or semi-rigid ... | 11/15/1983 |
| 4413452 | Building structure A building system formed from a plurality of building panels of triangular shape which are continuously attached on all sides to the earth or other triangular panels thereby defining a rigid panel structure of regular geometric form. Preferably, each pane... | 11/08/1983 |
| 4411249 | Toy glider with pneumatic launcher A toy glider comprising a projectile and a pneumatic launcher configured essentially as a bracelet for wearing on the user's wrist. The pneumatic launcher comprises an essentially bracelet-shaped, flexible conduit and an open-ended launching tube having o... | 10/25/1983 |
| 4391061 | Musical toy A musical toy having audio-visual characteristics. A plurality of identical pneumatic systems, each for actuation of one of a plurality of vertically moveable ornaments, are positioned in the interior of a housing. Each of the pneumatic systems consists e... | 07/05/1983 |
| 4378078 | Granulated material dispenser A device for dispensing a measured quantity of granulated food or concentrate material to a container. A hopper-like container which functions as both a shipping and storage container and an operational storage container for the granulated material to be ... | 03/29/1983 |
| 4353138 | Two stage flush valve assembly A two level flush valve assembly for use in a water tank of a conventional toilet. An essentially cylindrical, hollow valve body has an upper flush opening, a lower flush opening, an overflow pipe and a discharge opening. The valve body is positioned in t... | 10/12/1982 |
| 4351478 | Apparatus for cleaning tanks or vessels An improved apparatus for cleaning large tanks and vessels, such as automotive and railway tank cars. A support frame has an air motor, a first gear box and a second gear box fixedly mounted thereon. A wash nozzle assembly is pivotedly attached to the sup... | 09/28/1982 |
| 4345416 | Vacuum grass collecting apparatus A vacuum grass collecting apparatus for a tractor-type lawnmower having a rear discharge opening in its cutting deck and a rear power-take-off. A refuse container and a blower are independently mounted on the rear of a tractor-type lawnmower. The blower c... | 08/24/1982 |
| 4339838 | Squeegee A squeegee having a retractable blade. One embodiment of the present invention provides a handless squeegee having a retractable blade. Alternate embodiments provide a squeegee having both a foldable handle and a retractable blade. With each of the embodi... | 07/20/1982 |
| 4318388 | Launching device using pinching force A toy device for launching a disk, a ring or a similar circular-shaped toy missile. A pair of opposed, dog-legged arms are pivoted together in an uncrossed relationship. Each of the opposed arms has a first elongated portion with an open channel for engag... | 03/09/1982 |
| 4302922 | Pruning boom A pruning boom for pruning or trimming trees, bushes, shrubs and the like. A plurality of circular saw blades are rotatably mounted on a saw carrying member. Each saw blade is positioned for rotation in a spatial plane which intersects the spatial plane c... | 12/01/1981 |
| 4291811 | Display stand A display stand which is capable of assembly, disassembly and reassembly by unskilled persons without use of tools. The display stand is comprised of two horizontal members fitted together to form an "x" shaped base, two horizontal members fitted together... | 09/29/1981 |
| 4288879 | Maternity pillow A pillow for support of the expanded abdomen of a pregnant woman during the latter stages of pregnancy. The pillow is substantially wedge-shaped and has an appropriately shaped cavity in its upper surface for receiving and supporting the expanded abdomen ... | 09/15/1981 |
| 4259841 | Steam engine An improved double-acting, nonexpansion, noncondensing, piston steam engine. A coiled tube flash boiler enclosed in an insulated fire chamber is located above and contiguous with the cylinder head of the steam engine. The base of the fire chamber has a cy... | 04/07/1981 |
| 4254981 | Golf ball retriever A golf ball retriever for retrieving golf balls from water hazards and other inaccessible places. The retriever consists essentially of an elongated handle having a flat plate attached to one end. The flat plate has a plurality of retrieving fingers pivot... | 03/10/1981 |
| 4252901 | System and process for anaerobic digestion A system and a process for producing methane gas by anaerobic digestion of feed materials containing suitable organic materials. The system includes a plurality of digestion modules arranged primarily in series. Each digestion module is positioned with it... | 02/24/1981 |
| 4248972 | Stacked modules for anaerobic digestion A compact vertical array of concentrically stacked and interfaced anaerobic digestion modules which comprise an anaerobic digestion sub-system. Each individual digestion module is an open-ended reaction vessel having an external flange on each end. Each p... | 02/03/1981 |
| 4244523 | Apparatus for cleaning tanks or vessels An improved apparatus for cleaning large tanks or vessels, such as automotive and railway tank cars. A tiltable frame having a wash nozzle assembly pivotedly mounted thereon is pivotedly mounted above a fixed support frame. The tiltable frame has, fixedly... | 01/13/1981 |
| 4241604 | Nighttime wind direction and speed indicator A new and improved device for measurement and visual indication of both wind direction and wind speed. The device is suitable for use as a visual aircraft landing aid located at or near an airport to provide both wind direction and wind speed information ... | 12/30/1980 |
| 4195403 | Sawdust removal device A sawdust removal device for attachment to the exterior housing of a saber saw or other electric-powered saw or drill. The device traps air discharged from an exhaust port in the saw or drill housing and diverts that air to continuously blow away sawdust,... | 04/01/1980 |
