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| All Patents in class 177/245 | |||||
| Number | Date | Patentee | Title | Type | |
| 91,553 | Jun. 22, 1869 | C. Mackh | Coffee Roaster | coffee roasters | |
| 2,287,814 | Jun. 30, 1942 | K.C. Allen, D.A. Meeker | Scale | ||
| 2,408,942 | Oct. 08, 1946 | K.C. Allen, D.A. Meeker | Scale | ||
| 3,917,981 | Nov. 04, 1975 | H.J. Keen | Scale Lighting Protection System | scales and balances | |
| 5,973,274 | Oct. 26, 1999 | R.R. Zarchy | Vehicle Weighing System for Dynamometer | ||