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| Patents for Albert A. Barker | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 205,225 | Jun. 25, 1878 | H.C. Wight | Calipers | |
 | 239,933 | Apr. 12, 1881 | T.F. Carver | Friction-clutch | |
 | 250,166 | Nov. 29, 1881 | F.F. Parker | Chair leg and arm mortising machine | |
 | 275,393 | Apr. 10, 1883 | L.J. Knowles | Machine for Forming Key-Seats in Hubs of Gears, &c. | |
 | 381,141 | Apr. 17, 1888 | R.T. Torkelson, I. Johnson | Bench Plane | |
 | 818,633 | Apr. 24, 1906 | P. Lord | Saw-File | |