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| Number | Title | Issue Date |
| 5813185 | Spacer reciever for a wall form tie rod A tie rod assembly for use with forms for forming a wall of pourable, curable material. Each assembly has a rod having opposite threaded ends and two spacers. Each of the spacers has a first conical section having a recessed opening at an apex region of a... | 09/29/1998 |
| 5570549 | Building anchoring system A house is anchored to the ground by extending a plurality of metal rods from anchors buried in a foundation to the upper framework of the house and clamping the house to each rod by a pair of spaced clamps, which includes a washer in each device around t... | 11/05/1996 |
| 4490075 | Retaining wall system An interlocking block and a retaining wall system derived from such blocks wherein the blocks when arranged to extend in horizontal courses in end to end relation and one upon the other in interlocking overlapping wall defining relation automatically unif... | 12/25/1984 |
| 4039280 | Linings for high temperature ovens A furnace lining formed from a plurality of blocks each comprising an assembly of stacked parallel plates and at least one profiled or toothed end member. The profiles are shaped to be capable of receiving in spaced relationship in the stack of plates. Th... | 08/02/1977 |
| 4028860 | Wall construction A masonry wall construction having good heat insulating qualities and strength is disclosed of courses of conventional blocks laid in with mortar, the blocks having interior air spaces, one course having outer blocks of one size and inner blocks of anothe... | 06/14/1977 |
