| Patents for Howard D. Orr |
Patents 16 -
24
of 24
      |
| Number | Date | Patentee | Title | Type |
| 1,263,666 | Apr. 23, 1918 | M. Hastings | Lawn Mower Sharpener | sharpeners |
| 1,272,196 | Jul. 09, 1918 | J.H. Bloodgood | Portable Hand Planer | handheld power planers |
| D53,620 | Jul. 15, 1919 | L.L. Walton | Wrench | socket wrenches |
| D53,658 | Jul. 29, 1919 | J.J. Holsen | Combination Tool | combination tools |
| 1,397,262 | Nov. 15, 1921 | H. Butt | Wrench | quick adjust wrenches |
| 1,410,993 | Mar. 28, 1922 | A.B. Carill | Chain Pipe Wrench | chain and strap wrenches |
| 1,417,210 | May 23, 1922 | A. Shirk | Wrench | pliers type wrenches |
| 1,420,029 | Jun. 20, 1922 | T.C. Foley | Chuck and Tool Holder | metal planer chucks |
| 1,461,608 | Jul. 10, 1923 | T.C. Foley | Tool Holder | metal planer tool holders |