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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 |
| 7415881 | Ultrasonic sensor system for web-guiding apparatus A sensor system for determining the position of at least one edge of at least one web material traveling along a predetermined path. In one embodiment, the sensor system has at least one transmitter block having a plurality of transmitters capable of selectively tra... | 08/26/2008 |
| 7357027 | Ultrasonic sensor system for web-guiding apparatus A sensor system for determining the position of at least one edge of at least one web material traveling along a predetermined path. In one embodiment, the sensor system has at least one transmitter block having a plurality of transmitters capable of selectively tra... | 04/15/2008 |
| 6635895 | Edge scan sensor for web guiding apparatus A sensor system for determining the position of an edge of a moving web of material travelling along a predetermined travel path. the sensor system comprising a transmitter/receiver assembly, a beam reflector assembly and sensor signal processing. The tra... | 10/21/2003 |
| 6323948 | Light sensor for web-guiding apparatus A sensor system for determining the position of at least one edge of a web of material traveling along a predetermined path. The sensor system has a transmitter assembly capable of selectively transmitting at least one collimated light curtain and a recei... | 11/27/2001 |
| 6289729 | Ultrasonic sensor for web-guiding apparatus A sensor system for determining the position of at least one edge of a web of material is provided. The sensor system includes a transmitter and a receiver disposed on opposite sides of the web. The transmitter is capable of selectively transmitting ultra... | 09/18/2001 |
| 6175419 | Light sensor for web-guiding apparatus A sensor system for determining the position of at least one edge of a web of material traveling along a predetermined path. The sensor system has a transmitter assembly capable of selectively transmitting at least one collimated light curtain and a recei... | 01/16/2001 |
| 5769298 | Guiding apparatus for webs having at least two thicknesses The present invention relates to a guide apparatus for guiding a moving web of material having a tuft portion mounted on a backing portion such that the backing portion extends outwardly from the tuft portion to form at least one tuft edge. The web is mov... | 06/23/1998 |
| 4574194 | Method and apparatus for monitoring the manufacture of a two-component web A beta radiation sensor and an X-ray radiation sensor are used to monitor the specific weights of both components of a two-component web, in particular, a web of magnetic recording material, by using the beta radiation sensor to measure the combined speci... | 03/04/1986 |
| 4507073 | Web manufacturing apparatus A web manufacturing apparatus including a flexible shaping member that engages fluid material of which a web is formed, a support that extends parallel to the shaping member and a plurality of thermal expansion rods that extend between the shaping member ... | 03/26/1985 |
| 4269140 | Apparatus for positioning a coating thickness control roller in a web coating machine A method and apparatus for positioning a wedge in a web coating machine utilizes hydraulic actuating cylinders for moving the wedge and a multicylinder constant displacement pump for operating the hydraulic actuating cylinder. Valve circuits are provided ... | 05/26/1981 |
| 4103859 | Linear support apparatus An improved apparatus for supporting a frame for pivotation of the frame relative to a selected axis of pivotation. A plurality of connectors are attached to the frame at pivot support points on the frame, and the connectors are supported by a plurality o... | 08/01/1978 |
