| Patents for A. N. Marr | 
| Patents 1 - 
					15
					of 18 
       | 
| Number | Date | Patentee | Title | Type | 
| 102,078 | Apr. 19, 1870 | Q.S. Backus | Improved process for facing valves and valve-seats for steam-engines | steam engine valves | 
| 114,700 | May 09, 1871 | J.C. Miller | Improvement in Lathe Chucks | metal lathe chucks | 
| 121,992 | Dec. 19, 1871 | S.L. Clemens | Improvement in adjustable and detachable straps for garments |  | 
| 126,842 | May 14, 1872 | J.H. Smith | Improvement in traction-engines | steam traction engines | 
| 128,124 | Jun. 18, 1872 | H.W. Cornell | Improvement in Corn Shellers | miller | 
| 132,789 | Nov. 05, 1872 | Q.S. Backus | Improvement in wrenches | quick adjust wrenches | 
| 132,790 | Nov. 05, 1872 | Q.S. Backus | Improvement in bit-stocks | brace chucks | 
| 132,791 | Nov. 05, 1872 | Q.S. Backus | Improvement in bit-braces | brace handles | 
| 136,505 | Mar. 04, 1873 | F.D. Green | Improvement in machines for relishing doors, &c. | wood shapers | 
| 137,022 | Mar. 18, 1873 | A.T. Nichols | Improvement in sawing-machines | tablesaws | 
| 138,303 | Apr. 29, 1873 | J.Z. Wagner, H.R. Fry | Improvement in lathes for turning hubs | wheelwright | 
| 140,245 | Jun. 24, 1873 | S.L. Clemens | Improvement in scrap-books |  | 
| 140,267 | Jun. 24, 1873 | F.D. Green | Improvement in mitering-machines | tablesaws | 
| 142,015 | Aug. 19, 1873 | F.D. Green | Improvement in machines for raising panels | panel raising machines | 
| 147,699 | Feb. 17, 1874 | L.F. Smith | Wrenches | wrench combination tools |