| Patents for Guy M. Spring |
Patents 1 -
10
of 10
      |
| Picture | Number | Date | Patentee | Title |
 | 1,263,229 | Apr. 16, 1918 | G.G. Gordon | Grader's Guide |
 | 1,266,510 | May 14, 1918 | N.A. McMeekan | Tool |
| | 1,269,288 | Jun. 11, 1918 | R.X. Landoll | Circular Saw Machine |
| | 1,282,705 | Oct. 22, 1918 | F. Morche | Knife Sharpener |
| | 1,284,503 | Nov. 12, 1918 | A.A. Waltz | Grease Cup |
 | 1,286,332 | Dec. 03, 1918 | V.H. Johns | Try-Square |
 | 1,295,788 | Feb. 25, 1919 | R.R. Nance | Framing Square with Guide |
 | 1,433,140 | Oct. 24, 1922 | J.A. Lulay | Combination Bevel Finder and Square |
 | 1,433,772 | Oct. 31, 1922 | H. Barkley | Device for Facilitating Shingle Laying |
 | 1,447,447 | Mar. 06, 1923 | J.E. Wainwright | Valve Lifting Device |
