Datamp.org Patents https://www.datamp.org/ Recently added patents en-us US Patent: 33,912 https://www.datamp.org/patents/displayPatent.php?id=84554&pn=33,912 Improved Device for Weaning Calves Patentee: John J. Welling - Cedar Falls IA Granted:1861-12-10

Main pieces connected with a central pivot; the spring keeps the two parts clamped in the animal's nostrils. Surviving drawing is incomplete.
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US Patent: 164,665 https://www.datamp.org/patents/displayPatent.php?id=84553&pn=164,665 Improved Instrument to Keep Calves from Sucking Patentee: Smilie Tilton - Atlantic IA Granted:1875-06-22

An "elastic" (ie.e rubber) body with "sharp projections" which would clamp in the animal's nostrils. The irritation of the "sharp projections" would cause the cow to move away. Compare Tilton's subsequent patent 176,383.
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US Patent: 74,086 https://www.datamp.org/patents/displayPatent.php?id=84552&pn=74,086 Improvement in Device for Preventing Cows and Calves from Sucking the Teats, and for Leading Cattle Patentee: Asa F. Haven - Barre MA Granted:1868-02-04

Adjustable nose pieces on a solid frame; the frame to include optional optional pointed projections, and a central opening which would be used to attach a cattle lead. The specifications explain at some length the behaviors this device would discourage. Patent no. 122,119 in part is presented as an improvement to this patent.
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US Patent: 122,119 https://www.datamp.org/patents/displayPatent.php?id=84551&pn=122,119 Improvements in Calf Weaners Patentee: Thomas A. R. Keech - Bladensburg MD Granted:1871-12-26

Patent feature is adjustable nose-pieces. Specifications note Previous "Haven patent Feb. 4, 1868." (i.e. 74,086) Also compare patent 214,196.
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CA Patent: 57,544 https://www.datamp.org/patents/displayPatent.php?id=84550&pn=57,544 Gas Engine Patentee: Daniel Best - San Leandro, Alameda County CA Granted:1897-09-23
Manufactured by Best Mfg. Co. - San Leandro, Alameda County CA


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