Did You Know...
...that two musicians were responsible for the invention of color print film? Fascinated by photography, Leopold Godowsky and Leopold Mannes worked together to produce an easy-to-use, practical color film. They worked full time as music teachers and gave concerts while experimenting during their off hours in Mannes' kitchen. Their success earned them full-time, well-paying jobs at Kodak and their efforts resulted in Kodachrome film, which was introduced in 1935.
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| Number | Title | Issue Date |
| 7267288 | Polyurethane in intimate contact with fibrous material A sprayable polymeric material and a process for preparing the material which contains a fibrous material, dispersed throughout the polymeric material. A restriction free spray nozzle is provided for mixing and spraying the polymeric material having a fibrous materi... | 09/11/2007 |
| 7178743 | Portable sprayer A portable, battery-powered sprayer for dispensing two liquid products at the same time includes first and second nozzles which receive first and second liquids and first and second air supplies. The nozzles are arranged to dispense the liquids at different flow rat... | 02/20/2007 |
| 6688882 | Gas burner with spaced orifice A gas burner forces a premixing of the incoming gas with ambient air by moving the front face of the gas orifice upstream from the normal location and spacing it from the front face of the venturi portion of the burner. The premix air is pulled through th... | 02/10/2004 |
| 5500030 | Oxy-gas fired forehearth burner system An oxy-fuel burner for a forehearth system comprising an oxygen conduit and a fuel conduit disposed concentrically within the oxygen conduit, forming an annulus between the fuel conduit and the oxygen conduit. The fuel firing end of the fuel conduit is re... | 03/19/1996 |
| 4511086 | Cutting torch An oxygen-fuel cutting torch having an easily manufactured preheat tube assembly assuring complete mixing of the oxygen and fuel, and minimizing the danger associated with flashback of the flame into the torch. The preheat tube assembly includes an outer ... | 04/16/1985 |
| 4509689 | Cutting torch An oxygen-fuel cutting torch having an easily manufactured preheat tube assembly assuring complete mixing of the oxygen and fuel, and minimizing the danger associated with flashback of the flame into the torch. The preheat tube assembly includes an outer ... | 04/09/1985 |
