Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 6926483 | Joining assembly for joining a pair of structural members A joining assembly for joining a pair of structural members, comprises a bolt having a thread and a nut-like blind rivet adapted to be inserted into mounting holes of the structural members and to be threadingly engaged to each other. One of the mounting holes is ma... | 08/09/2005 |
| 5816760 | Under cutting anchor A spreading anchor (1) including an anchor rod (2) provided at its front end, when viewed in a setting direction, with a head (3, 30) having at least several regions, which taper outwardly in the setting direction, and extending through an axial through-b... | 10/06/1998 |
| 5018908 | Anchor assembly for a mine roof bolt Anchor assembly for a mine roof bolt or the like in which the bail of an anchor shell having leaves for engaging the side wall of a bore hole has spring fingers for snagging the side wall of a bore hole to prevent downward movement to the anchor shell. Th... | 05/28/1991 |
| 4235151 | Expansion dowel An expansion dowel consists of an axially extending sleeve slotted for a part of its length and an axially extending expansion body insertable into and displaceable through the bore in the sleeve for radially expanding the sleeve. The expansion body has a... | 11/25/1980 |
| 4112814 | Dowels and process for anchoring dowels A dowel and a method of anchoring the same in a blind hole or bore of a building or construction element are disclosed. The dowel comprises a central bolt having a spreader head about which there is arranged a segmented ring of shells held together by a r... | 09/12/1978 |
