Drilldown: Patents
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Patents > Inventor country:
US
& Filing date:
1880 - 1889
& Grant date:
1884
& Family year:
1800 - 1899
& Number of text pages:
2-4
Use the filters below to narrow your results.
None (1) ·
USPC 114/144R (1) ·
USPC 114/21.1 (1) ·
USPC 114/65R (1) ·
USPC 169/36 (1) ·
USPC 180/2.1 (1) ·
USPC 244/153R (1) ·
USPC 244/31 (1) ·
USPC 244/72 (1) ·
USPC 318/4 (1) ·
USPC 340/984 (1) ·
USPC 439/30 (1) ·
USPC 440/6 (1) ·
USPC 441/80 (1) ·
USPC 476/11 (1) ·
USPC 73/862.451 (1) ·
USPC 74/336.5 (1) ·
USPC 89/1.51 (1)
Showing below up to 5 results in range #1 to #5.