Listed below are all of Silas, Lewis, Alpheus and Arthur White's patents. Please click on a patent number to see a PDF file of that patent.
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|
Patent Number |
Date |
Description |
|
July 16, 1872 |
Improvement in Plows |
|
July 8, 1873 |
Improvement in Plows |
|
June 29, 1875 |
Improvement in Plows |
|
June 29, 1875 |
Corn Planter |
|
June 27, 1882 |
Plow |
|
March 3, 1885 |
Plow |
|
April 6, 1886 |
Plow |
|
January 7, 1890 |
Plow |
|
February 4, 1890 |
Plow |
|
May 9, 1911 |
Plow Attachment |
|
September 17, 1912 |
Handle-Mount for Plows |
|
April 21, 1914 |
Plow |
|
November 28, 1916 |
Plow Rudder |
|
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