| Patents for Harry F. Caldwell |
Patents 1 -
15
of 16
      |
| Number | Date | Patentee | Title | Type |
| 1,976,048 | Oct. 09, 1934 | H.B. Tuthill, H.F. Caldwell | Motor driven lathe head | wood lathes |
| 2,095,620 | Oct. 12, 1937 | H.B. Tuthill, H.F. Caldwell | Bread slicing machine | |
| 2,143,460 | Jan. 10, 1939 | H.B. Tuthill, H.F. Caldwell | Knife adjustment in bread slicing machines | |
| 2,147,322 | Feb. 14, 1939 | H.B. Tuthill, H.F. Caldwell | Safety control for bread slicing machines | |
| 2,162,138 | Jun. 13, 1939 | H.B. Tuthill, H.F. Caldwell | Automatic bread slicing machine | |
| 2,170,312 | Aug. 22, 1939 | H.B. Tuthill, H.F. Caldwell | Combination bread slicing and wrapping machine | |
| 2,239,945 | Apr. 29, 1941 | H.B. Tuthill, H.F. Caldwell | Feeding and folding mechanism for wrapping machines | |
| 2,244,140 | Jun. 03, 1941 | H.F. Caldwell | Label attaching machine | |
| 2,310,719 | Feb. 09, 1943 | H.B. Tuthill, H.F. Caldwell | Wrapping machine | |
| 2,326,436 | Aug. 10, 1943 | H.F. Caldwell | Label attaching machine | |
| 2,341,493 | Feb. 08, 1944 | H.B. Tuthill, H.F. Caldwell | Machine for applying labels to moving webs | |
| 2,371,858 | Mar. 20, 1945 | H.B. Tuthill, H.F. Caldwell | Package wrapping | |
| 2,378,112 | Jun. 12, 1945 | H.F. Caldwell, H.B. Tuthill | Adjustable labeling device | |
| 2,528,856 | Nov. 07, 1950 | H.F. Caldwell | Labeling machine | |
| 2,776,038 | Jan. 01, 1957 | H.F. Caldwell | Label machine feeding and timing mechanism | |
