Number | Name | Date | Kind |
---|---|---|---|
2783999 | Simjian | Mar 1957 | |
2933681 | Crain | Apr 1960 | |
3160011 | Ogden | Dec 1964 | |
3992012 | Campbell | Nov 1976 | |
4063259 | Lynch et al. | Dec 1977 | |
4223891 | Gaasbeek | Sep 1980 | |
4306723 | Rusnak | Dec 1981 | |
4991850 | Wilhelm | Feb 1991 |
Entry |
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"Prezo Film Sensing Devices", William B. Powers, Society of Manufacturing Engineers, Conference held Nov. 11-13, 1986, Detroit, Michigan. |