| Patents for Leonard D. Howard |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| 70,570 | Nov. 05, 1867 | L.D. Howard | Improvement in bevels | bevels |
| 92,970 | Jul. 27, 1869 | L.D. Howard | Improved shutter-fastener | |
| 96,700 | Nov. 09, 1869 | L.D. Howard | Improvement in tool for opening boxes | |
| 103,335 | May 24, 1870 | L.D. Howard | Improvement in saw-bucks | work holding |
| 111,746 | Feb. 14, 1871 | L.D. Howard | Improvement in adjustable bevels | bevels |
| 111,747 | Feb. 14, 1871 | L.D. Howard | Improvement in clothes-driers | |
| 126,549 | May 07, 1872 | L.D. Howard | Improvement in rein-holders for carriages | |
| CA-2,120 | Mar. 01, 1873 | L.D. Howard | Rein-holder | coaches and carriages |
| 183,397 | Oct. 17, 1876 | L.D. Howard | Improvement in mitering-machines | tablesaws |
| 314,843 | Mar. 31, 1885 | L.D. Howard | Miter-sawing machine | tablesaws |
| 324,323 | Aug. 11, 1885 | L.D. Howard | Combined try-square and bevel | bevel squares |
| 356,642 | Jan. 25, 1887 | L.D. Howard | Machine-table | tablesaws |
| 513,326 | Jan. 23, 1894 | L.D. Howard | Power-hammer | drop hammers |
| 657,114 | Sep. 04, 1900 | L.D. Howard | Power-hammer | blacksmith |
| 709,577 | Sep. 23, 1902 | L.D. Howard | Drop-hammer | blacksmith |
