Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10161159 | Folding frame system with V-shaped leg assembly and folding foot assembly | — | 2018-12-25 |
| 9631393 | Structural module with stop, collapsible structure, and method of erecting a collapsible structure | — | 2017-04-25 |
| 7832170 | Expandable and collapsible structures including split scissor assembly | — | 2010-11-16 |
| 7712261 | Collapsible structure with self-locking mechanism and method of erecting a collapsible structure | — | 2010-05-11 |
| 7556054 | Foldable frame element and system with tension lock | — | 2009-07-07 |
| 7533498 | Mechanically deployable expandable and collapsible structure and method for deploying a structure | — | 2009-05-19 |
| 7478644 | Folding frame assembly with foldable leg arrangement | — | 2009-01-20 |
| 7455164 | Expandable and collapsible structure with rollers | — | 2008-11-25 |
| 7357238 | Expandable and collapsible modular structure | — | 2008-04-15 |
| 6141934 | Folding frame system with foldable leg assembly and method of erecting a folding frame system | — | 2000-11-07 |
| 5651228 | Family of collapsible structures and a method of making a family of collapsible structures | — | 1997-07-29 |
| 5444946 | Portable shelter assemblies | — | 1995-08-29 |
| 5274980 | Polyhedron building system having telescoping scissors | — | 1994-01-04 |
| 5230196 | Polyhedron building system | — | 1993-07-27 |
| RE33710 | Portable shelter assemblies | — | 1991-10-08 |
| 4970841 | Universal building system | — | 1990-11-20 |
| 4838003 | Hub assembly for collapsible structures | — | 1989-06-13 |
| 4800663 | Collapsible display apparatus | — | 1989-01-31 |
| 4761929 | Collapsible/expandable structural frameworks | — | 1988-08-09 |
| 4747239 | Brackets for connecting adjacent exhibit frames together | — | 1988-05-31 |
| 4689932 | Portable shelter assemblies | — | 1987-09-01 |
| 4637180 | Clip for self-locking collapsible/expandable structures | — | 1987-01-20 |
| 4579066 | Knock-down table | — | 1986-04-01 |
| 4561618 | Stabilizing foot for an exhibit frame | — | 1985-12-31 |
| 4522008 | Clip for self-locking collapsible/expandable structures | — | 1985-06-11 |