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 |
| 6039503 | Expansion joint system A method to produce an expansion joint for adjacent roadway slabs having an expansion gap therebetween. A recess is cut or formed into the surface of each adjacent roadway slab to create a pair of recesses parallel to and adjacent the expansion gap. The r... | 03/21/2000 |
| 5190395 | Expansion joint method and system A method to produce an expansion joint for adjacent roadway slabs having a gap therebetween. A recess is cut or formed into the surface of each adjacent roadway slab to form a pair of recesses parallel to and adjacent to the gap. The recesses are cleaned ... | 03/02/1993 |
