| All Patents in class 33/334 |
Patents 31 -
41
of 41
      |
| Number | Date | Patentee | Title | Type |
| 1,315,644 | Sep. 09, 1919 | . | Hand Tool | |
| 1,490,220 | Apr. 15, 1924 | W.C. Lawrence | Bricklayer's Trowel | levels |
| 1,564,460 | Dec. 08, 1925 | F.L. Young | Drill | handheld power drills |
| 1,641,831 | Sep. 06, 1927 | T.M. Shearer | Carpenter's Combination Tool | |
| 1,665,504 | Apr. 10, 1928 | . | Leveling Square | |
| 1,702,689 | Feb. 19, 1929 | S.O. Duemler | Hammer Level | levels |
| 1,879,396 | Sep. 27, 1932 | . | Combined Plumb and Level Saw Handle | |
| 1,884,469 | Oct. 25, 1932 | . | Combination Handsaw | |
| 2,478,347 | Aug. 09, 1949 | . | Combination Handsaw and Measuring Tool | |
| 2,602,240 | Jul. 08, 1952 | . | Combined Handsaw and Gauge | |
| 2,655,733 | Oct. 20, 1953 | . | Handsaw Level | |
