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 |
| 6142258 | Solid lubrication tools and methods for their production and use A solid lubricant tool for applying solid lubricant to the surface of a component is produced by compressing a mixture of powdered solid components under a pressure of at least about 30 kg/mm2 without application of heat to form unitary conglom... | 11/07/2000 |
| 6109394 | Lubricant impregnated wear pads for extendable booms on material handling devices An extendable boom for a material handling device includes a first boom section for connection to a support frame, the first boom section having a plurality of first structural members. A second boom section is slidable with respect to the first boom sect... | 08/29/2000 |
| 5581048 | Corrosion resistant electromagnetic shielding gasket A shielding gasket is disclosed which may be installed between a door panel and an enclosure containing electronic equipment therein, the shielding gasket providing excellent electromagnetic shielding effectiveness in the space between the door panel and ... | 12/03/1996 |
| 5290617 | Sliding structure for a high load A sliding structure for high load and having high strength as well as sufficient lubricating performance, wherein a solid lubricating material is buried in a sliding surface, an oil reservoir of a predetermined capacity is formed on the reverse of the sur... | 03/01/1994 |