All Patents of Type: scales and balances |
Patents 1 -
15
of 109
|
Number | Date | Patentee | Title | Type |
234X | Feb. 14, 1799 | B. Dearborn | Improvement in Steelyards | scales and balances |
343X | Sep. 21, 1801 | S. Wallis | Moveable and suspended seal and beam | scales and balances |
5,770X | Jan. 06, 1830 | E. Cady | Weighing boats and cargoes, called the tonnage meter | scales and balances |
3,396 | Jan. 06, 1844 | G.R. Moore | Pendulum Scales | scales and balances |
14,119 | Jan. 15, 1856 | T. Ross, F.M. Strong | Platform Scales | scales and balances |
37,569 | Feb. 03, 1863 | A.B. Davis | Improvement in weighing apparatus | scales and balances |
44,611 | Oct. 11, 1864 | S. Darling | Weighing Apparatus | scales and balances |
55,117 | May 29, 1866 | J. King, Jr. | Improvement in bent-lever scales | scales and balances |
79,583 | Jul. 07, 1868 | C.C. Ltman | Scale | scales and balances |
96,520 | Nov. 02, 1869 | J. Weeks | Weighing Scales | scales and balances |
100,066 | Feb. 22, 1870 | W.B. Preston | Improvement in steelyards | scales and balances |
197,618 | Nov. 27, 1877 | M.S. Drake | Improvement in spring-scales for weighing | scales and balances |
278,900 | Jun. 05, 1883 | A.H. Emery | Beam-scale | scales and balances |
278,901 | Jun. 05, 1883 | A.H. Emery | Beam-scale | scales and balances |
278,902 | Jun. 05, 1883 | A.H. Emery | Platform-scale | scales and balances |