| All Patents of Type: focusing attachments |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 658,994 | Oct. 02, 1900 | J.A. Mosher | Focusing Device for Cameras | focusing attachments |
| 911,001 | Jan. 26, 1909 | W.F. Folmer | Focusing Attachment for Cameras | focusing attachments |
| 922,411 | May 18, 1909 | W.F. Folmer | Focusing Attachment for Camera | focusing attachments |
| 932,458 | Aug. 31, 1909 | W.F. Folmer | Focusing Device | focusing attachments |
| 1,101,532 | Jun. 30, 1914 | W.F. Folmer | Focusing Hood | focusing attachments |
| 2,200,458 | May 14, 1940 | O. Steiner | Focusing Illuminating Attachment for Photographic Flash Guns | focusing attachments |
| 2,933,996 | Apr. 26, 1960 | R.L. Dalton | Lock for Focusing Mechanism of Camera | focusing attachments |
