Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 7278341 | Structural bolt security apparatus A structural bolt security apparatus includes a security nut forming a threaded central hole for a bolt; the security nut has a groove in an upper surface and/or a side surface. At least one groove is at least partially separated from the threaded central hole by th... | 10/09/2007 |
| 6123364 | Pipe joint A pipe joint provided with a joint main body having a tapered female screw portion on an opening end, and a cylindrical retainer having a male screw portion screwed into the female screw portion and plural small-disc continuous bodies each of which is com... | 09/26/2000 |
| 5921734 | Lock nut device A lock nut device having a nut setting member fitted loosely to an outer circumferential part of a threaded shaft; split nuts divided in two in axial direction and fitted to envelope the outside of the nut setting member and fitted to the threaded shaft, ... | 07/13/1999 |
| 5447398 | Fixing means A nut includes a first half having a short shank with an internal screw thread therethrough and an external screw thread thereon and a second half with a threaded bore. The internal screw thread of the first half has a first pitch while the external screw... | 09/05/1995 |
| 5404736 | Attachable vehicle hand brake lock assembly An attachable vehicle hand brake lock assembly capable of being selectively attached over the end of a push button-activated hand brake to prevent its release. The lock assembly includes a cylindrical shaped body designed to be placed longitudinally over ... | 04/11/1995 |
| 5048872 | Fitting for cables, tubes and the like A fitting for cables, tubes and like parts has an externally threaded sleeve one end portion of which is constituted by an annulus of deformable axially extending prongs alternating with slots. The radially outer ends of the slots are offset with referenc... | 09/17/1991 |
