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Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 7114695 | Tilt-up concrete wall panel form and method of fabricating same An improved, lightweight, portable, and self-contained concrete form for fabricating tilt-up concrete walls is provided. The form includes a frame made from metal frame members joined at their ends with the frame members forming the sides of the frame. The frame mem... | 10/03/2006 |
| 6996946 | Structures which can be dismantled and folded, consisting of interconnecting tubular elements Composite structures obtained by joining two or more structures of the type which presents pairs of joined tubular elements, whose extremity is hinged in universal joints and in which the universal joints are substantially parallelepiped in form and present four sea... | 02/14/2006 |
| 6898915 | Reinforcement bar support device A re-bar support device comprising a base board and re-bar holders to hold a plurality of re-bars spaced to fit into the holes of the hollow blocks used to build a block wall. The re-bar support device attaches to vertically standing stakes. Several re-bar support d... | 05/31/2005 |
| 6832458 | Quick-connector for rebar to concrete dowels A quick-connector for terminal fastening of a penetrating rebar (7) to a perpendicularly oriented concrete dowel (2), the connector comprising a wire clip (1) having a deflected segment of wire of the length (L) at least partially made of resili... | 12/21/2004 |
| 6772571 | Upper beam bolster for use in construction A bolster for use in construction having a plurality of leg members arranged in generally parallel spaced relationship, a beam integrally formed with the plurality of leg members and extending transversely across the plurality of leg members, and a plate affixed to ... | 08/10/2004 |
| 6622352 | Quick-release wire hanger A quick-connect/quick-release wire hanger provided in a variety of configurations for use in a variety of applications. The wire hanger of the invention is formed of a substantially planar center portion having first and second pairs of opposing periphera... | 09/23/2003 |
| 6367556 | Multiple configuration centralizer device and method for using same A novel multiple configuration hand assembly centralizer system adaptable to virtually all known rock and soil anchoring applications is presented. The primary components to the centralizer include a plurality of straps and two collars which hold the stra... | 04/09/2002 |
| 6282860 | Wire mesh support A support device for a wire mesh. The wire mesh is held in place by the supporting device which includes legs and cup shaped members. The legs will stand on a support surface and the cup shaped members will engage the bars of the wire mesh to hold the wir... | 09/04/2001 |
| 6279274 | Cast-in fittings for concrete components A shoe for use with a fitting such as a lifting anchor or ferrule adapted to be cast into a reinforced concrete component, the shoe serving, in use, to locate tie-in bars relative to the fitting. The shoe comprises a body portion slidably received on a sh... | 08/28/2001 |
| 6276106 | Hydrophilic waterbar for diaphragm wall joints A waterbar for use between adjacent panels (22, 24) in a diaphragm wall, the waterbar comprising a first member (5) in the form of an elongate strip (6) provided along a first longitudinal edge (8) with a hydrophilic material (7) and along the opposite lo... | 08/21/2001 |
| 5704188 | Post structure A post structure which includes a support pole, a casing, and spring clips for securing the casing to the pole. The spring clips each include a spiral portion which grips the pole, and arms which project outward to engage the inner sidewalls of the casing... | 01/06/1998 |
| 5337532 | Concrete floor system A concrete floor system includes undulating sheet metal formwork for forming concrete slabs with one or more concrete ribs. The system also provides a unique type of bar chair which allows reinforcement in the form of steel rods, for example, to be droppe... | 08/16/1994 |
| 5216866 | Rebar matrix spacer This invention is a rebar spacer device which is used to set the rebar without using a tape. The device has an L-shaped track with scribe marks at pre-determined intervals on the top. The track further has integral upper and lower rails which have elongat... | 06/08/1993 |
| 4744190 | Spacing retainer including locking means for reinforcements The spacing retainer contains spacer elements comprising a multiple number of interconnected angle elements and locking elements. The locking elements are lockingly connected with a first structural steel fabric by means of locking parts at their free end... | 05/17/1988 |
| 4249354 | Reinforced insulated wall construction A reinforced insulated wall construction having a core of thermal insulation material which is reinforced by high-slenderness-ratio reinforced concrete columns. High compressive and side-load strengths are achieved by centrally supporting reinforcing memb... | 02/10/1981 |
