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 |
| 5639232 | Gas burner A gas burner for an open top stove is provided that generally includes three sections that can be separated from one another: a burner body, a burner head, and a drip cover. Forming the bottom of the burner and connected to a gas source is the burner body... | 06/17/1997 |
| 5633168 | Controlled dispersion flow analysis system continuous flow analysis system measures the cholesterol distribution among different lipoprotein classes in a blood sample. A blood plasma sample is separated into different lipoprotein classes by single vertical spin density gradient ultracentrifugation... | 05/27/1997 |
| 5632219 | Waterski tow rope retriever A multiple-spool waterski tow rope retriever for reeling in a plurality of waterski tow ropes either together or independently. The device may include a housing for outboard mounting on the back of a ski boat, or it may be mounted inboard whereby the tow ... | 05/27/1997 |
