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| All Patents in class 177/177 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,993,606 | Mar. 05, 1935 | W.E. Jones, E.A. Reussenzehn | Scale attachment | ||
| 2,006,370 | Jul. 02, 1935 | L.J. Schumacker, E.A. Reussenzehn | Scale head | ||
| 2,063,712 | Dec. 08, 1936 | E.J. Von Pein | Scale | ||
| 2,408,942 | Oct. 08, 1946 | K.C. Allen, D.A. Meeker | Scale | ||
| 2,649,293 | Aug. 18, 1953 | K.C. Allen, D.A. Meeker | Scale | ||
| 2,936,165 | May 10, 1960 | M.T. Thorsson | Digital Balancing High Speed Scale System | scales and balances | |
| 3,217,819 | Nov. 16, 1965 | K.C. Allen | Computing scale | ||