Did You Know...
...that the Eveready Battery began as an invention called the "electric flowerpot," which was a tube with a battery and light bulb inside? The idea was to fasten this gizmo to the side of a flowerpot so it would illuminate the flowers from the bottom. The idea died on the vine and the businessman who licensed the flower pot, Conrad Huber, was left with a pile of useless tubes -- until he found a way to market them as batteries to light the world!
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| Number | Title | Issue Date |
| 8079195 | Modular blocks and structures made therefrom A modular block apparatus includes first and second blocks, each block having a generally upwardly protruding locking member and an internal recess sized to receive the locking member of the other block, such that the blocks can be assembled with one block above the... | 12/20/2011 |
| 7320201 | Wall construction A kit for forming a hollow block assembly to be used to construct a wall, the kit consisting of two face panels and a plurality of fasteners, each face panel comprising a plurality of spaced apart flanges extending perpendicularly from and attached to each panel so ... | 01/22/2008 |
| 6668484 | Garden edging system A garden edging system is made up of (a) one or more straight edger units, (b) one or more curved edger units and (c) one or more corner units. Each unit has a connecting face at each of its ends for connecting and holding adjacent units in end-to-end ali... | 12/30/2003 |
| 5881511 | Concrete building block assembly A concrete block is provided having half dovetail sections at opposite ends of the block arranged so that when placed together the dovetailed sections on adjoining blocks form a full dovetailed section which is just large enough to be received within a do... | 03/16/1999 |
| 5749196 | Building and building element therefor The invention relates to a building structure of a number of construction elements each comprising two plate-like side parts (2) which are mutually connected at a distance parallel to each other by at least one connecting part (3) which protrudes partiall... | 05/12/1998 |
| 5575128 | Interlocking mortarless building block system An interlocking lock system for mortarless wall or other structure assembly in which a plurality of blocks are laid up in courses in a staggered relationship. Only two different block configurations are required, the first, or long, blocks having a length... | 11/19/1996 |
| 5487248 | Structural panel A structural panel, including a plurality of contiguous elongated filler members mutually contiguous ones of the filler members having opposed surfaces pressed against one another in vapor tight face-to-face contact with each other and having opposite sid... | 01/30/1996 |
| 5201159 | Construction element The present invention relates to a structural element for realizing continuous surfaces, for example a screen, a partition wall, a hoarding or the like, essentially for screening-off from noise, view, etc., each corner (5, 6, 7, 8) of a substantially quad... | 04/13/1993 |
| 4741140 | Masonry wall structure A masonry wall structure comprising hollow concrete block units laid in courses, wherein each of the block units comprises front and rear panel members and a pair of side panel assemblies which form a gap between adjacent two of the block units. The side ... | 05/03/1988 |
| 4617772 | Wall panel joiner A wall panel joiner is provided for securing wall panels in edge to edge relationship. The joiner comprises a pair of clamping elements which are provided with flat outer faces, each element including a pair of spaced flanges. Locking means is provided on... | 10/21/1986 |
| 4577447 | Construction block A building block to be used in the construction of houses, buildings, gargages, sheds and the like, which is constructed of expanded, polystyrene beads. The building block is to be arranged with other similar building blocks in a vertically orientated, ho... | 03/25/1986 |
| 4467859 | Energy efficient building structure and panel therefor A building structure is constructed from a plurality of sheathed, foam cored structural panels which are adapted to receive solar energy conversion or heat storage devices and are adapted to be connected in an air flow loop to provide integral heating and... | 08/28/1984 |
| 4263765 | High mass wall module for environmentally driven heating and cooling system Each module includes a block body and an outer wear surface joined by one or more separator webs. The block body either is massive as constructed, or receives a massive filling, such as concrete, at the job site. Provision is also made for providing a fil... | 04/28/1981 |
