Patent 2935083 - 2935083
| United States Patent | Patent Number 2,935,083 |
| Issue Date: | Issued May 3, 1960 |
| Current U.S. Class: | 137/50525 - 137/510 - 251/333 |
| Current International Class: | G05D016/04 (20060101) G05D016/06 (20060101) |
| Current CPC Class: | G05D 16/0641 (20130101) |
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