| Patents for A. A. Barker | 
| Patents 1 - 
					5
					of 5 
       | 
| Number | Date | Patentee | Title | Type | 
| 389,057 | Sep. 04, 1888 | M.E. Clark | Machine for turning wooden rings | specialty woodworking machines | 
| 391,211 | Oct. 16, 1888 | R.T. Torkelson | Combination Tool For Velocipedes | wrench combination tools | 
| 432,179 | Jul. 15, 1890 | E.S. Capen | Friction-clutch | industrial machine clutches | 
| 477,693 | Jun. 28, 1892 | W.F. Nicholson | Hand Implement for Tooling Stone Surfaces |  | 
| 614,537 | Nov. 22, 1898 | A. Dahlquist, N.A. Dahlquist | Combined Wire Cutter, Pocket Knife, and Corkscrew | combination tools |