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| Patents Granted on 1968-03-19 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,373,449 | Mar. 19, 1968 | E.R. Rusnok | Automatic valve actuated urinal | ||
| 3,373,641 | Mar. 19, 1968 | O. Hermann | Chuck Construction | metal lathe chucks | |
| 3,373,666 | Mar. 19, 1968 | C.P. Crompton | Batch delivery mechanism | ||
| 3,373,673 | Mar. 19, 1968 | C.C. Craig | Film Holder | film and plate holders | |
| 3,374,418 | Mar. 19, 1968 | R. Zechlin, R.M. Henderson | Alternating Current Voltage Regulator Including System No-Load to Full-Load Compensating Means | voltage regulators | |