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The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 7421761 | Door closer A door closer comprises a spindle journaled in a housing and connected to turn with a door. Upon rotation of the spindle, a cam carried by the spindle effects linear movement of a slide assembly relative to the housing. A piston is connected with the slide assembly.... | 09/09/2008 |
| 7356878 | Door closer A door closer includes an anchor assembly for mounting on a door frame, an actuator assembly for mounting within the thickness of a door which is hinged for movement between open and closed positions, an operating member coupled by a linkage to the anchor assembly a... | 04/15/2008 |
| 7255286 | Temperature compensation valve A temperature compensation valve is hereby provided wherein the inner cavity of the valve comprises a puck, a metal piston (gas control device), and a spring. The spring serves to bias the piston towards the puck, and the puck expands and contracts proportionately i... | 08/14/2007 |
| 7192105 | Door control device for refrigerators and refrigerator with the device A door control device for refrigerators and a refrigerator with the device. The door control device for a refrigerator having a refrigerator door includes a movable body coupled to the refrigerator door, wherein the movable body is arranged to move in opposite direc... | 03/20/2007 |
| 7188871 | Door lock mechanism and door lock unit A door lock mechanism includes a lock claw, a spring attached to the lock claw for urging the same in a direction toward a lock state, a lock release operation piece linked to the lock claw for moving the lock claw in a direction toward a lock release state against ... | 03/13/2007 |
| 7063427 | Portable mirror device The present invention is a portable mirror device for hunters or other persons who need to extend their field of view to the side or rear without moving their head appreciably. The device is reversibly attached to a body-segment of the user and can either be raised ... | 06/20/2006 |
| 6886217 | Door closer A door closer having a pair of main driving springs, a fluid-filled damper arrangement and a pair of thrust springs is provided, the thrust springs coming into effect during the latter part of a door closing operation, so as to provide an augmented closing force at ... | 05/03/2005 |
| 6625847 | Door closers A door closer comprises an actuator assembly (20) adapted for fitting within the thickness of a door and an anchor member (10) adapted for fitting in a door frame in opposed relation to said edge face of the door. An operating member (30) is driven by spr... | 09/30/2003 |
| 6421876 | Door closer A door closer with an oblong, one-piece body such to achieve a compact and aesthetic unit which can be produced with a minimum material consumption. The door closer has lateral faces which each have a curvature and/or bevel that shapes towards each other,... | 07/23/2002 |
| 6112368 | Temperature compensating valve A valve element for operative association with a valve seat in a passage in a body in which the valve element is mounted, in use, the valve element comprising first and second portions connected together by snap-fit means, the first portion being screw-th... | 09/05/2000 |
| 5706551 | Door closers and dampers primarily for door closers A door closer for hingedly mounted doors comprises an actuator adapted for fitting within the thickness of a door and an anchor member adapted for fitting in a door frame such that when installed the closer acts to draw the door into a position of closure... | 01/13/1998 |
| 5553353 | Door damping system A door damping system includes a base fixed to a wall, a fixing element fixed to the door and a rod connected between the base and the fixing element, the base having a pinion rotatably disposed in the base and the pinion coupled to the rod and a coil spr... | 09/10/1996 |
| 5187835 | Door closer with rack and pinion, spring, and spring mounting plate A door closer includes a body having a closed, fluid-filled cylinder. A piston is slidably mounted in the cylinder and has an actuating rod with rack gearing. A pinion is rotatably mounted on the body for meshing with the rack gearing of the actuating rod... | 02/23/1993 |
| 4148111 | Temperature compensating hydraulic door closer Hydraulic door closer apparatus comprises a cylinder, a piston disposed in the cylinder, linkage means coupled to the piston for transmitting forces between the piston and a door, and a hydraulic circuit for controlling movement of the piston in the cylin... | 04/10/1979 |
| 4019220 | Piston assembly for door closer Hydraulic door closer apparatus comprises a cylinder and an elongated piston disposed in the cylinder, the piston being made of relatively easily machined material, but having associated with it a rack of harder, wear and impact-resistant material for tra... | 04/26/1977 |
