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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 |
| 7351242 | Active endoscopic photodynamic therapy devices; systems and method An active endoscopic system is disclosed containing an electromagnetic radiation system located at the distal end of the endoscopic device allowing for variable intensity application of desired wavelengths in the application of PhotoDynamic Therapy (PDT) over a broa... | 04/01/2008 |
| 6953288 | SMA compatible, safe laser connector system A safe connection system for coupling radiation from radiation sources, such as lasers, into optical fibers is provided. The system prevents the accidental use of standard optical fibers with radiation sources that require fibers capable of transmitting high power o... | 10/11/2005 |
| 6918905 | Monolithic irradiation handpiece A handpiece for topical application of electromagnetic radiation is disclosed, consisting of a single monolithic transparent block covered by a semitransparent coating on the faces of the block not directed toward a treatment site. The block and coating are transpar... | 07/19/2005 |
| 6485562 | Production of material with improved infrared transmission The invention relates to the field of producing material that has a low absorbance in the 5 to 15 micron wavelength range. The process is particularly useful for producing single crystals of silver halides for use in manufacturing fiber optic light guides... | 11/26/2002 |
| 6011890 | High power, multi-diode laser system The present invention teaches a diode laser system which utilizes optical fibers arranged in bundles whereby one group is bundled in a central section and one or more groups are arranged in a concentric circle or other symmetrical shape or configuration a... | 01/04/2000 |
