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| Number | Title | Issue Date |
| 6343446 | Post anchor system There is disclosed a sign post anchor system that provides omni-directional stabilization of a sign post. The inventive anchor system includes a tubular anchor sleeve having a square cross-section for receiving at one end the sign post and at the other en... | 02/05/2002 |
| 6155014 | Clean room wall system There is disclosed a non-progressive modular wall system for wall heights greater than eight feet that does not require excessive demolition of adjacent wall panels and framing posts above and below the moment connection, typically at the eight foot level... | 12/05/2000 |
| 4830531 | Unitary connection assembly for metal channels and method for assembly A unitary connection assembly for connecting channel structures is described. The assembly has a special channel fastener coacting with a fixture, a biasing member and a threaded member. A method is described for attaching the unitary connection assembly ... | 05/16/1989 |
| 4822199 | Modular frame structure A modular frame structure having a cooperating strut coupling and a connection node coupling which permits quick assembly and release. A method is presented for preassembly of the node couplings to the connection nodes to hasten field assembly. A method i... | 04/18/1989 |
| 4784552 | Nuts for channeled structural members A special nut is used for affixing parts to a channeled structural member. The nut has an improved positioning means protruding from the top surface of the nut for properly positioning the nut in the channel member.... | 11/15/1988 |
| 4778092 | Vehicle roof rack A roof rack for a motor vehicle, the roof rack has a roof bar to extend transverse of the vehicle and a mounting assembly to secure the roof bar to the roof gutter of the vehicle, a mounting assembly secures the roof rack to the gutter by means of a gutte... | 10/18/1988 |
