If you find a patent number or patent date by this manufacturer that is not on this
list, please contact the Site Historian.
Key to Links for Patent Information
USPTO = U.S. Patent Office .
Images of the actual patent can be viewed on the U.S. Patent Office web site but
a special TIFF viewer must be installed with your browser in order properly work.
More information on how to configure your computer to view these patents can be
found at TIFF image Viewers
for Patent Images.
DATAMP = Directory of American Tool And
Machinery Patents . A sister site to VintageMachinery.org with information
on patents related to machinery and tools. A much easier user interface than the
USPTO's for finding information on machinery patents.
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216,162
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Jun. 03, 1879
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Improvement in ditching-machines
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Charles D. Edwards |
Albert Lea, MN |
|
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306,728
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Oct. 21, 1884
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Clod-cutter
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Charles Douglas Edwards |
Albert Lea, MN |
|
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335,902
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Feb. 09, 1886
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Cockle-separating machine
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Charles Douglas Edwards |
Albert Lea, MN |
This machine separates "cockle and other deleterious seeds from wheat". |
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546,511
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Sep. 17, 1895
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Stump-puller
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Charles D. Edwards |
Albert Lea, MN |
|
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810,478
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Jan. 23, 1906
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Landside-wheel
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Charles Douglas Edwards |
Albert Lea, MN |
"Landside-wheels" were used on road graders and were intended to reduce lateral slippage. |
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869,354
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Oct. 29, 1907
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Grading-machine
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Charles D. Edwards |
Albert Lea, MN |
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1,723,019
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Aug. 06, 1929
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Road grader
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Reid A. Edwards |
Albert Lea, MN |
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1,814,790
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Jul. 14, 1931
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Bar cutter
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Reid A. Edwards |
Albert Lea, MN |
The inventor was the son of the founder of C. D. Edwards Mfg. Co., which in 1928 had been sold to Ryan Mfg. Corp. of Chicago; we have seen a No. 15 Edwards Shear, from C. D. Edwards Mfg. Co., that uses this patent. |