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| All Patents in class 702/173 | |||||
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| Number | Date | Patentee | Title | Type | |
| 2,803,448 | Aug. 20, 1957 | L.B. Biebel | Computing scale | ||
| 2,936,165 | May 10, 1960 | M.T. Thorsson | Digital Balancing High Speed Scale System | scales and balances | |
| 3,388,758 | Jun. 18, 1968 | K.C. Allen, E.E. Boshinski | Automatic weighing scales with recording and totaling apparatus | ||
| 3,436,968 | Apr. 08, 1969 | E.D. Bright, P.I. Unger | Processing Control System | electronic circuitry and apparatus | |