Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8286402 | System of interlocking building blocks | — | 2012-10-16 |
| 7662014 | Joining system for polyhedric modules | — | 2010-02-16 |
| D590550 | Pet enclosure | — | 2009-04-14 |
| 6711860 | Construction panel interconnection system | — | 2004-03-30 |
| 6173538 | Modular construction system | — | 2001-01-16 |
| 5725270 | Flat sheet vehicle body | — | 1998-03-10 |
| 5505025 | Stressed panel structure | — | 1996-04-09 |
| 5406757 | Stressed panel structure | — | 1995-04-18 |
| D351294 | Chair | — | 1994-10-11 |
| 5284351 | Recumbent bicycle | — | 1994-02-08 |
| 5154485 | Spring plate furniture | — | 1992-10-13 |
| 4569496 | Portable furniture | — | 1986-02-11 |
| 4551960 | Space frame structural system | — | 1985-11-12 |
| 4550950 | Portable furniture | — | 1985-11-05 |
| 4533174 | Portable furniture | — | 1985-08-06 |
| D278028 | Connecting element for strut members or the like | — | 1985-03-19 |
| D273577 | Single passenger vehicle | — | 1984-04-24 |
| 4390204 | Portable furniture | — | 1983-06-28 |
| 4308698 | Interconnecting members for enclosures | — | 1982-01-05 |
| 4202581 | Support means for portable furniture | — | 1980-05-13 |