Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 5341744 | Cleaning shell for firearms An apparatus for cleaning the bore of a firearm including a shell housing having a rearwardly oriented base portion, a substantially tubular body defining a cavity, and a forward end, a tank for confining a compressed fluid, the tank being disposed within... | 08/30/1994 |
| 5181640 | Apparatus for removing break-out portions from a sheet of material or the like Apparatus for removing break-out portions and in particular waste pieces from a sheet of material which contains blanks or the like and which rests on a break-out surface in such a way that the break-out portion extends over an aperture in the break-out s... | 01/26/1993 |
| 5034155 | Cooling water treatment composition Composition for treating cooling water including a combination of ingredients for combatting a variety of problems, such as corrosion, scale control and microbiological growth. Composition obviates the necessity for separately feeding several materials. C... | 07/23/1991 |
