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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 5752346 | Motor-vehicle door A motor-vehicle door has generally upright inside and outside panels, a window frame above the panels, a track extending vertically between the panels into the frame, and a window glass vertically displaceable in the track between the panels. A latch asse... | 05/19/1998 |
| 5713549 | Monitor support device A support device includes a base having two upward extending walls for rotatably supporting a lower end of a beam. The beam includes a number of teeth formed in the lower end for engaging with a worm which is rotatably supported on the base and includes t... | 02/03/1998 |
| 5653058 | Railroad gate arm swivel adapter spring assembly A railway gate arm assembly including a gate arm which is mounted to permit pivoting about a longitudinal axis when an external force is applied to the gate arm thereby causing the latter to swivel out of a vertical plane, and at least two torsion springs... | 08/05/1997 |
| 5651217 | Flexible glass run with rigid molded support A vehicle door glass run including a header section, and first and second end sections that extend into the door well of the vehicle door below the vehicle belt line. Each section of the glass run includes a flexible metal insert that has been stamped and... | 07/29/1997 |
| 5651216 | Door closer for a two-panel door with a closing sequence control mechanism A door closing mechanism for a two-panel door having a leading panel and a trailing panel disposed adjacent to one another and being hingedly connected to a door frame. The door closing mechanism controls the closing sequence of a leading panel and a trai... | 07/29/1997 |
| 5644869 | Power drive for a movable closure with ball nut drive screw A power drive moves a movable closure between an open position and a closed position with respect to a portal defining a passage through a barrier. The power drive can include an elongated drive member connected to the movable closure and a ball nut drive... | 07/08/1997 |
| 5642588 | Cam spring automatic door sealing apparatus A sealing apparatus for use with a door which swings over a threshold between an open position and a closed position and has a door lower end spaced above said threshold and defining a gap between the door lower end and the threshold when the door is in t... | 07/01/1997 |
| 5640807 | Powered vehicle door closing system A powered vehicle door closing system for producing an auto-closing action to automatically move a latch member from a half-latched position to a fully-latched position comprises a reversible motor mechanically linked through a linkage to the latch member... | 06/24/1997 |
| 5638641 | Adjustable threshold assembly with water-tight seal An extruded aluminum sill member is supported by and attached to a wood base member which also supports a longitudinally extending inner wood trim member. The sill, base and trim members define a longitudinally extending cavity which receives a vertically... | 06/17/1997 |
| 5636477 | Mat monitor module A mat monitor for an automatic swing door system is mountable in-line with an approach mat and a safety mat and the controller for the automatic door system. The monitor emits a visible light to indicate that a mat is properly operating without requiring ... | 06/10/1997 |
| 5632117 | Sash balance brake assembly A sash balance brake assembly for a sash window system is disclosed. The sash window system includes a window frame having a pair of generally parallel tracks. Each of the tracks has an outer wall, front and back intermediate walls and front and back inne... | 05/27/1997 |
| 5632460 | Lamp holder An improved lamp holder of the knock-down type. The lamp holder includes a circular band for contacting and encircling a lamp below the largest place on the lamp base, a plurality of legs, and a corresponding plurality of fasteners for respectively remova... | 05/27/1997 |
| 5632120 | Powered vehicle door closing system A powered vehicle door closing system for producing an auto-closing action to automatically move a latch member from a half-latched position to a fully-latched position, comprises a reversible motor mechanically linked through a linkage to the latch membe... | 05/27/1997 |
| 5632121 | Adjusting device for a door window pane, frameless and cooperating with a window lifter, of a motor vehicle An adjusting device for a door window pane of a motor vehicle, preferably made frameless and cooperating with a window lifter, includes at least one upright guide rail running inside a door body for the window lifter, with the guide rail being pivotable a... | 05/27/1997 |
| 5628150 | Glass run channel with a composite reinforcement A glass run channel for a translationally movable vehicle window. The glass run channel has an elastomeric extrusion having a U-shaped cross section portion defined by two legs joined by a base web. A reinforcement includes a metal core in one of said leg... | 05/13/1997 |
| 5628149 | Gate tensioning system A gate for a fence or the like preferably formed of hollow plastic elements interconnected by bolts or other fastener devices at or adjacent their ends. A tensioning device is located inside a hollow diagonal cross-brace to correct misalignment between th... | 05/13/1997 |
| 5623783 | Vented glass door A vented glass door includes a rectangular frame having a glass window fitted in the center thereof. At least one air passageway is provided commencing at the rear surface of the frame members, and passing through the frame members themselves and outwardl... | 04/29/1997 |
| 5623784 | Window operator A window operator mechanism 10 includes a worm gear 22 which is generally parallel to the window when closed. A drive gear 24 is generally transverse and is at 45° angle to the horizon. The operator 10 includes a housing 11 which is designed for drop-in ... | 04/29/1997 |
| 5622005 | Automotive door glass assembly An automotive door glass assembly which in a preferred embodiment includes an extendable door glass extendable from a door cavity and having a first bore and an edge surface; a shoe supporting the door glass having an alignment surface and a generally obl... | 04/22/1997 |
| 5622397 | Door security device A door security device which includes a support bar having first and second ends, at least one blocking means disposed between the ends of the support bar, attaching means mounted to the support bar for removably securing the support bar in position adjac... | 04/22/1997 |
| 5619820 | Bracket apparatus for vehicle doors having no upper window frame Support apparatus for supporting a transparent bullet resistant panel on a door having no frame for its window includes channel elements for holding the transparent panel and support elements including brackets secured to the channel elements and disposed... | 04/15/1997 |
| 5619822 | Sash window unit, at least comprising a frame with a sash window which is slidable vertically therein Sash window unit, at least comprising a frame with a sash window which is slidable vertically therein, the frame being provided with a guideway which can interact with one or more guide parts on the sash window, sealing means between the sash window and t... | 04/15/1997 |
| 5619821 | Easily-installed quick-release locking modular security grill with optionally affixed penetration-resistant rotating fins serving as louvers and as a security shield A spring-loaded quick-release mechanism to a locking security grille is triggered by (i) manual activation, preferably through a foot switch, or (ii) fire, typically through a thermal fuse. Fins incorporated in, and/or affixed to the bars of, a security g... | 04/15/1997 |
| 5620103 | Display rack A modular rack unit for displaying greeting cards and the like comprises a base, three upstanding support members, two top rails and four panel assemblies. Each upstanding support member has its base end secured to the base so that it is substantially nor... | 04/15/1997 |
| 5617676 | Motor-vehicle door A motor-vehicle door has an outer skin and an inner skin fixed to the outer skin, forming therewith a cavity, and formed with a cutout. A mechanism holder is releasably secured in the cavity at the cutout. A latch is secured by a horizontally effective sl... | 04/08/1997 |
| 5617674 | Adjustable passageway gate An adjustable passageway gate that includes a thin generally rectangular-parallelepiped-shaped panel, a large, extendable, retractable, and generally rectangular-parallelepiped-shaped extension member, a pair of small, spaced-apart, extendable, retractabl... | 04/08/1997 |
| 5617675 | Collapsible cable window regulator A collapsible cable regulator assembly is provided, having a collapsible support structure wherein one or more swing arms are pivotably mounted to a lateral member. Cable guide means are provided for mounting a regulator cable, including a cable return at... | 04/08/1997 |
| 5615520 | Damped one-way self-closing gate A one-way self closing gate such as may be used in retail stores, airports or libraries is provided with an inclined helical ramp mechanism by which opening of the gate also causes lifting of the gate arm relative to the gate base. When released the gate ... | 04/01/1997 |
| 5613325 | Motor vehicle glazing units A motor vehicle glazing unit has generally U-shaped frame channels open toward each other in substantially fixed position. A transparent glazing pane is moveably mounted in the frame channels, having at least one non-frangible pane member, such that the d... | 03/25/1997 |
| 5613324 | Prefabricated door frame A door frame and a method for constructing a door frame assembly for use in prefabricated housing. The door frame assembly has a header frame and two side frames fixedly attached and constructed out of metal. The door frame assembly is slidable into posit... | 03/25/1997 |
| 5613327 | Door sill garnish trim A door sill garnish trim piece for concealing and protecting a vehicle door or hatch opening flange is described that has a cross-section featuring a seating member opposite a pair of curved projects. As the door sill garnish trim piece is snapped onto th... | 03/25/1997 |
| 5613323 | Cable drive assembly for a window A window assembly for a motor vehicle body enclosing a passenger compartment has a structural frame mounting a sliding pane. Guide means are provided for guiding the sliding pane as it slides between its open and closed positions. The guide means includes... | 03/25/1997 |
| 5613326 | Sealing strip for convertible A sealing strip for use on a convertible to seal the joint between the front pillar and the window glass of a front door integrally comprising: an extruded section having a longitudinal groove, a hollow upper sealing part formed on one side of the groove,... | 03/25/1997 |
| 5613322 | Edge drive cable window regulator assembly A cable regulator assembly for controlling the vertical travel of a windowpane in the window opening of a motor vehicle has a cable support structure comprising first and second guide rail members extending vertically from laterally-spaced attachment to a... | 03/25/1997 |
| 5608990 | Removable light limiting blind assembly A removable light controlling blind assembly for a marine vessel or the like includes two generally circular superimposed panels. Each of those panels has a plurality of translucent horizontal strips printed thereon and a plurality of alternating light tr... | 03/11/1997 |
| 5609196 | Roller blind system A roller blind system with two lateral guide members for a draw-up mechanism or a mounting or the like of a roller blind, wherein the carrier members can each be connected to the respective lateral guide rails for the roller blind shuttering and are desig... | 03/11/1997 |
| 5607130 | Support apparatus for arts and crafts project An apparatus for supporting an arts and crafts project during the creation, decoration, repair, or display of the project. The support apparatus includes a support rod upwardly projecting from a base positionable upon a support surface such as a table top... | 03/04/1997 |
| 5606826 | Drive and track apparatus for variable speed closure A cable drive for elevator doors has first and second drive pulleys eccentrically mounted 180° out-of-phase on the same drive motor shaft so that the cable feed rate is greater at the middle, than at the start and end of each drive cycle. Feeder pulleys ... | 03/04/1997 |
| 5605014 | Door apparatus for rest room A door apparatus for a rest room includes a wall member defining a predetermined space and an opening for an entrance and an exit thereof; a door body for opening or shutting the opening, having a substantially half-cylindrical shape, being rotatable abou... | 02/25/1997 |
| 5605309 | Pipe anchoring means In a pipe anchor system for anchoring a relatively long length of pipe or conduit to a structural support with predetermined spacing therefrom. Short pieces of a bar cut to length from a bar of commercial standard shape and size are used to attach the anc... | 02/25/1997 |
