| Patents for Charles W. Crogan |
Patents 1 -
10
of 10
      |
| Number | Date | Patentee | Title | Type |
| 986,965 | Mar. 14, 1911 | C.W. Crogan | Photograph Album | |
| 1,216,418 | Feb. 20, 1917 | C.W. Crogan | Tape measure | tape measures |
| 1,233,034 | Jul. 10, 1917 | C.W. Crogan | Tape measure | tape measures |
| CA-179,403 | Sep. 25, 1917 | C.W. Crogan | Tape measure | tape measures |
| 1,375,630 | Apr. 19, 1921 | C.W. Crogan | Drum handle for tape line reels | tape measures |
| 1,424,085 | Jul. 25, 1922 | C.W. Crogan | Latch release for tapes | tape measures |
| 1,434,528 | Nov. 07, 1922 | C.W. Crogan | Tapeline Case Stop | tape measures |
| 1,438,903 | Dec. 12, 1922 | C.W. Crogan | End for Masuring Tapes | tape measures |
| 1,467,840 | Sep. 11, 1923 | C.W. Crogan | Tapeline Case Structure | tape measures |
| 1,585,535 | May 18, 1926 | C.W. Crogan | Motor Driven Hacksaw | |
