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Endwell Auctions Patent Dater

 

We have over 35 Years of Experience in Antiques, Fine Art, and Collectibles

         

  
The following table displays the calendar year along with the first corresponding document number issued in each year.
  

Year

Patent No.

 

Year

Patent No.

 

Year

Patent No.

 

Year

Patent No.

1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878

1
110
546
1061
1465
1923
2413
2901
3395
3873
4348
4914
5409
5993
6981
7865
8622
9512
10358
12117
14009
16324
19010
22477
26642
31005
34045
37266
41047
45685
51784
60658
72959
85503
98460
110617
122304
134504
146120
158350
171641
185813
198733

 

1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921

211078
223211
236137
251685
269820
291016
310163
333494
355291
375720
395305
418665
443987
466315
488976
511744
531619
552502
574369
596467
616871
640167
664827
690385
717521
748567
778834
808618
839799
875679
908436
945010
980178
1013095
1049326
1083267
1123212
1166419
1210389
1251458
1290027
1326899
1364063

 

1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964

1401948
1440362
1478996
1521590
1568040
1612700
1654521
1696897
1742181
1787424
1839190
1892663
1941449
1985878
2026516
2066309
2104004
2142080
2185170
2227418
2268540
2307007
2338081
2366154
2391856
2413675
2433824
2457797
2492944
2536016
2580379
2624046
2664562
2698434
2728913
2775762
2818567
2866973
2919443
2966681
3015103
3070801
3116487

 

1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007

3163865
3226729
3295143
3360800
3419907
3487470
3551909
3631539
3707729
3781914
3858241
3930271
4000520
4065812
4131952
4180867
4242757
4308622
4366579
4423523
4490855
4562596
4633526
4716594
4794652
4890335
4980927
5077836
5175886
5274846
5377359
5479658
5590420
5704062
5855021
6009555
6167569
6334220
6502244
6671884
6836899
6981282
7155746

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