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 |
| 4959977 | Machine for and method of performing a roughing operation progressively along marginal portions of a shoe bottom A machine for progressively roughing marginal portions of shoe bottoms comprising a shoe support (18) having toe support means (470) and a heel support arrangement including two sets of clamps (390, 392), one set (392) of which serves also as sensing mean... | 10/02/1990 |
| 4787221 | Apparatus for pelt processing An apparatus for fleshing fur pelts with two conical poles, on each of which the pelt is positioned with the fur side facing inwardly. A ring is disposed concentrically of one pole. The ring is clamped to the pelt and moved axially of the pole by a piston... | 11/29/1988 |
| 4617809 | Flow press, especially flow sammying machine, for the production and processing of leather In flow presses for the production and processing of leather, especially in sammying (drying) machines, the need exists for a preliminary effective stretching and widening of the leather to prevent the forming of creases. In a flow press with a pair of pr... | 10/21/1986 |
| 4559794 | Automatic cycle machine for the continuous fleshing of skins The fleshing machine according to the invention comprises a supporting frame, which bears two parallel blade cylinders, and on which two sliding heads provided with bearing, pressing and drawing rollers are mounted. The heads press the skin between the ro... | 12/24/1985 |
| 4100772 | Continuous leather processing machine The invention comprises a machine for the continuous processing of leather hides using a table board which is fed lengthways through at least one pair of processing tools lying parallel and opposite to each other. The leather hide to be processed is place... | 07/18/1978 |