Thomas Edison obtained a patent for an electrographic vote recorder.
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| Number | Title | Issue Date |
| 8020572 | Umbrella structure An umbrella is provided that comprises a canopy and a support structure upon which the canopy is supported. The canopy can comprise a first panel and a second panel. The support structure can comprise a spacer configured to provide a gap separating the first and sec... | 09/20/2011 |
| 7434591 | Rain protection umbrella A lightweight vertical attachment shield that forms a canopy like structure for protection from falling rain when the vertical attachment shield is attached underneath any conventional umbrella in an open arrangement. The vertical attachment shield is attached about... | 10/14/2008 |
| 7101000 | Portable bar with advertising materials A portable bar is provided, the bar comprises a vertical panel having a front side, a back side and opposing ends; at least two vertical support panels, each support panel being connected to the opposing ends of the vertical panel; a counter being connected to and s... | 09/05/2006 |
| 6941958 | Umbrella device An umbrella device which has a shank, an umbrella-like cap formed as a membrane and a driver. The membrane is connected to the shank and is caused by the driver to move from a position of rest where it droops limply around the shank to an open position where it is e... | 09/13/2005 |
| 6612320 | Economic double-story umbrella as conveniently anchored A double-story umbrella includes an upper umbrella formed by an upper umbrella cloth; a lower umbrella having a shaft and a rib assembly pivotally secured to the shaft for securing a lower umbrella cloth on the rib assembly; a plurality of detachable rest... | 09/02/2003 |
| 6604844 | Reconfigurable reflective apparatus A reconfigurable reflective apparatus that includes a flexible reflector supported by a plurality of support ribs that are pivotally connected to a central locking control hub, wherein at least one support rib can be independently set in any one of a plur... | 08/12/2003 |
| 6604846 | Collapsible lamp shade A selectively collapsible lamp shade in which the shade is extended between upper and lower rings, the rings being held apart by a series of struts which are transverse to and engage the rings in a series of equidistant supports about the perimeter of the... | 08/12/2003 |
| 6390108 | Economic double-story umbrella An economic double-story umbrella includes: an upper umbrella formed by an upper umbrella cloth; and a lower umbrella having a shaft and a rib assembly pivotally secured to the shaft for securing a lower umbrella cloth on the rib assembly; having an upper... | 05/21/2002 |
| 6244283 | Umbrella with connectors An umbrella comprising a shank, a handle, a rib, multiple tip beads, a canopy, and a ferrule is characterized by a series of connectors which are installed at least between the handle and the shank, between the tip beads and the rib, between the canopy an... | 06/12/2001 |
| 6089244 | Windproof umbrella structure A windproof umbrella structure includes mainly a connector being provided at a pivoted position of the main rib and the stretcher to engage with a second rib. The invented assembled frame is covered by an upper cover and a lower cover and obtains a better... | 07/18/2000 |
| 5842494 | Structure of umbrella's upper notch and ferrule The present invention relates to the presentation of an improved structure of umbrella's upper notch and ferrule, comprising mainly an inner flange tube with an appropriate length at the top of an umbrella's upper notch, two opposite walls of said inner f... | 12/01/1998 |
| 5758678 | Stabilized umbrella top structure An umbrella top structure includes an upper notch secured on a top portion of a central shaft, a top cap member engaged with the upper notch for fastening a central crimped portion of an umbrella cloth in between the top cap member and the upper notch as ... | 06/02/1998 |
| 5694958 | Umbrella rib and tip arrangement An umbrella rib and tip arrangement including an umbrella rib having a front end terminating in a plug rod, and a T-cap having an arched transverse head mounted in a pocket at the periphery of an umbrella cover and a circular longitudinal cap body perpend... | 12/09/1997 |
| 5678587 | Umbrella net An umbrella net for use in covering a patio umbrella, the umbrella net having an upper panel having a peripheral edge and a sleeve provided along the peripheral edge. The sleeve has an exposed section, and a first opening and a second opening positioned a... | 10/21/1997 |
| 5601103 | Umbrella having partial top canopy and underside canopy connected with canopy rib sleeves to form wind vent and stabilize the ribs A garden umbrella with a partial top canopy covering the central area of the umbrella and located on the upper side of the canopy ribs, and an underside outer canopy secured to the underside of the canopy ribs and covering at least the outer ring portion ... | 02/11/1997 |
| 5487401 | Windproof umbrella A windproof umbrella includes a post having a lower end to be grasped by a user and an opposite upper end; a plurality of ribs extending outwardly in a radial direction from the upper end of the post; a lower canopy secured in covering relation on the rib... | 01/30/1996 |
| 5429147 | Detachable cover umbrella In accordance with the present invention an umbrella with a detachable cover is provided, of the type comprising a shaft, a handle at one end, ribs hingedly secured to the other end and means associated with the shaft to move the ribs between open and clo... | 07/04/1995 |
| 5368055 | Windproof umbrella A windproof umbrella includes a post (14); a plurality of ribs (18) extending outwardly in a radial direction from the upper end of the post; a lower canopy (20) secured on the ribs (18); a plurality of vent holes (34) therethrough; and an upper canopy (3... | 11/29/1994 |
| 5305772 | Strut structure of a folding umbrella having a seamless umbrella cover The invention relates to a strut structure of a folding umbrella having a seamless umbrella cover, which structure makes use of an integrally molded fastener with an open groove provided on the hollow cylindrical body thereof to fix the umbrella cover on ... | 04/26/1994 |
| 5172712 | Screen apparatus A combination beach umbrella and screen apparatus includes a flexible screen which is detachably affixed around the perimeter of the shade portion, or covering, of the umbrealla. The screen extends downward from the covering along the entire periphery the... | 12/22/1992 |
| 5085239 | Structure of safety umbrella An umbrella, having a cover stretched over a plastic folding radial frame which comprises upper, intermediate and lower nest plates respectively mounted on a main shaft for securing a plurality of ribs. The nest plates are identical in structure, each com... | 02/04/1992 |
| 4979535 | Umbrella with detachable cover An umbrella has a frame with a shaft and a series of ribs hingedly secured thereto for movement between a folded position and an extended position. The shaft has a tip projecting beyond the ribs, and the ribs having free end portions remote from the shaft... | 12/25/1990 |
| 4979534 | Windproof umbrella A windproof umbrella includes a post having a lower end to be grasped by a user and an opposite upper end; a plurality of ribs extending outwardly in a radial direction from the upper end of the post; a lower canopy secured in covering relation on the rib... | 12/25/1990 |
| 4916786 | Method of assembling an armature of an umbrella An armature of an umbrella, composed of elements (1) in the form of a monobloc casting, having several parts corresponding to the tension arm (2), the spokes (3) and a longitudinal portion (4) of the handle. The different parts are connected to one another by ... | 04/17/1990 |
| 4184502 | Shade apparatus A lightweight shade apparatus constructed of a plurality of intersecting ribs extending radially outwardly, the ribs being covered by bowed cross members adapted to fit over the ribs and to be affixed thereto by a cooperating circumferential belt, the bel... | 01/22/1980 |
| 4061154 | Umbrella with interchangeable tops This invention relates to an umbrella having a centrally located vertical shaft, a plurality of generally equally spaced ribs collapsibly coupled to a top end of the vertical shaft and a detachable cover stretched over the spaced ribs and fastened thereto... | 12/06/1977 |