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 |
| 7309199 | Sprue dowel A sprue dowel has a radially projecting embeddable portion (12) and an attachment portion (21) formed as a hollow cylindrical shaft (24) provided with a plurality of spaced from each other, furrowed retaining projections (26, 27) formed o... | 12/18/2007 |
| 7234906 | Threaded insert for fasteners A threaded insert for providing stronger threads to a parent material. The threaded insert includes a bushing portion having male threads on the external surface and female threads within an internal bore. The threaded insert also includes keys which lock the thread... | 06/26/2007 |
| 7000995 | High-integrity interlocking nut and washer system An interlocking nut and washer system exhibits a very high degree of inherent mechanical stability. The preferred embodiment includes an inner washer, an adjustment nut, an intermediate washer, and an outer nut completing an interlock assembly. Although the inner wa... | 02/21/2006 |
| 6969221 | Threaded insert for fasteners A threaded insert for providing stronger threads to a parent material. The threaded insert includes a bushing portion having male threads on the external surface and female threads within an internal bore. The threaded insert also includes keys which lock the thread... | 11/29/2005 |
| 6672811 | Threaded insert for fasteners A threaded insert for providing stronger threads to a parent material. The threaded insert includes a bushing portion having male threads on the external surface and female threads within an internal bore. The threaded insert also includes keys which lock... | 01/06/2004 |
| 5795037 | Controlled position axle nut system and method to preload tapered roller bearings A novel axle nut system is provided on the spindle ends of an axle which mounts a wheel assembly that includes tapered roller bearings. The axle nut system of the present invention includes an adjustment nut, a washer and a retainer member. The adjustment... | 08/18/1998 |
| 4895485 | Locking key for threaded insert A key for locking a threaded insert in a carrier material is provided with an improved tang portion. The improved tang portion includes spring retention means for reducing the friction required to position and hold the key within an insert slot prior to f... | 01/23/1990 |
| 4767249 | Self-broaching key The present invention is a self-broaching key for locking a fastener assembly in a relatively hard carrier material and a method for making such a key. A unique cutting surface (40) is provided with a particular angular orientation relative to the thread ... | 08/30/1988 |
| 4082130 | Fastening means A fastener consisting essentially of a male member and a female member having a bore engageable over the male member, and a threaded member threadable in a partially threaded bore having an axis substantially parallel to the longitudinal axis of the male ... | 04/04/1978 |
| 4042306 | Controllable connecting apparatus Connecting apparatus providing a pivotal connection controllably securing an actuating element at a preselected attitude.... | 08/16/1977 |
| 3939889 | Threaded assembly The preferred embodiment of this invention includes a member having an external thread and a nut received thereon. The nut has an annular plastic insert. A locking wedge, received in a keyway or groove in the member, is in wedged engagement with the plast... | 02/24/1976 |
