| Patent No. | Patent Title: |
| 4580386 | Expansion clip on a ceiling runner |
| 4577443 | Metallic sheath for posttensioning method |
| 4577444 | Changeable wall panel structure |
| 4571899 | Room addition construction |
| 4570405 | Insulating apparatus DGK for panel assemblies |
| 4569177 | Bridging system for steel joists |
| 4569174 | Insulation for buildings |
| 4569164 | Operable wall system |
| 4566233 | Ceiling construction |
| 4562683 | Hinged metal webs for truss structures |
| 4561229 | Modular screen assembly |
| 4561230 | Truss assembly and truss hanger and connector hanger for use with... |
| 4561223 | Panel fastener system and retaining member |
| 4558545 | Foundation for a mast, supporting pillar, and the like |
| 4557084 | Energy efficient building with underground concrete walls |
| 4557087 | Metallic sheath for a posttensioning method provided with rust pr... |
| 4557083 | Extensible arm, particularly for space modules or vehicles |
| 4555877 | Prefabricated multi-story building |
| 4555887 | Truss assembly and connector for use with trusses |
| 4552094 | Horse stall construction |
| 4549379 | Skylight assembly |
| 4546889 | Universal telescopic stretcher rail system |
| 4546577 | Ridge tile |
| 4546587 | System wall or system ceiling |
| 4546590 | Partition wall system and components therefor |
| 4545165 | Modular monolithic ceiling grid system |
| 4545164 | Wall spacer |
| 4545172 | Energy absorbing structure |
| 4543759 | Support structures |
| 4538385 | Protective cover for cotton module |
| 4538390 | Insulation and partition means for existing building |
| 4536998 | Flexible selective energy control sheet and assembly using the sa... |
| 4532745 | Channel and foam block wall construction |
| 4532742 | Extendible structure |
| 4532744 | Locking device for membrane fastener apparatus |
| 4530191 | Isothermic wall with three dimensional framework and process of ... |
| 4524556 | Surface type structural component, especially for aircraft |
| 4524552 | Mechanism for deploying a deployable truss beam |
| 4522008 | Clip for self-locking collapsible/expandable structures |
| 4520600 | Stacks or vertical pipes for the flow of gas |
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