Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7066645 | Positioning device for use in radiography An X-ray cassette or a radiographic grid and X-ray cassette is (are) mounted within a device for positioning the cassette or grid and cassette beneath a patient lying upon a bed or other support to enable an X-ray image of a portion of the patient to be taken. The d... | 06/27/2006 |
| 6576390 | Method of and apparatus for manufacturing instant photographic film units An instant photographic film unit includes a mask sheet having an image frame and two sheets, one of which has a photosensitive layer, laminated and bonded together, and a developing liquid container disposed in a predetermined position for supplying a de... | 06/10/2003 |
| 6406198 | Relockable film cartridge system for a photographic system A relockable cartridge system for photosensitive media, including: a media-receiving tray having a media access opening; a cartridge holder for holding the media-receiving tray; a cover for covering the media access opening; wherein the cover has a first ... | 06/18/2002 |
| 6287744 | Method of and apparatus for manufacturing instant photography film unit After first, second, and third continuous members are bonded to each other in a laminated state, they are cut together to a predetermined length for thereby producing an instant photography film unit. A predetermined number of produced instant photography... | 09/11/2001 |
| 6135662 | Lesson planner A lesson planner includes a foldable notebook containing a series of transparent lesson plan retaining sheets for supporting lesson planning cards used by an instructor to prepare and present a lesson plan for a class. Each lesson plan retaining sheet inc... | 10/24/2000 |
| 5774753 | Film sheet unit which easily accepts a lid of a film pack A film sheath, holding a sheet film to constitute a sheet film unit, is formed from a plastic resin, and is provided with at least a tapered portion in an end fringe which is directed toward a leading end of a sliding lid when the sliding lid is moved bac... | 06/30/1998 |
| 5658716 | Sheet film package A sheet film package contains a sheet film unit in a light-shielding envelope with an open end through which the sheet film unit is movable into and out of the light-shielding envelope. The light-shielding envelope is formed by folding a sheet of light-ti... | 08/19/1997 |
| 5633128 | Sheet film package A sheet film package contains a sheet film unit in a light-shielding envelope with an open end through which the sheet film unit is movable into and out of the light-shielding envelope. The light-shielding envelope is formed by folding a sheet of light-ti... | 05/27/1997 |
