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...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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Inventor: Karl Frei


Address: Wil, CH
No. of patents: 4
Last patent issue date: 02/24/2004

NumberTitleIssue Date
6694705Defoaming device for a packaging machine
A defoaming apparatus (22) defoams a foamable product that is dispersed into a container such as a TETRA REX gable-top carton (80). The defoaming apparatus (22) creates a sonic shock wave (110) that destroys most if not all of the bubbles of the foamable ...
02/24/2004
6039867Device for continuous disintegration of activated sludge
A method is described for the continuous disintegration of microbial sludge in a sewage clarification or sewage treatment plant wherein the microbial sludge is decomposed biologically by bacteria and the resultant sludge (5) is exposed to sonic radiation ...
03/21/2000
5895577Method for continuous disintegration of activated sludge
A method is described for the continuous disintegration of microbial sludge in a sewage clarification or sewage treatment plant wherein the microbial sludge is decomposed biologically by bacteria and the resultant sludge (5) is exposed to sonic radiation ...
04/20/1999
5653346Process and device for sifting, sorting, screening, filtering or sizing substances
In an apparatus for sieving, grading, sifting, filtering or sorting dry solid substances or solid substances in liquids having a sieve surface provided in a sieve frame and an ultrasound transducer (10) which is associated with the sieve surface (18) and ...
08/05/1997
 
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