Helmet for providing virtual reality environments
USD351622S · kind S · design
25Cited by
7References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 22, 1993 |
| Grant date | Oct 18, 1994 |
| Priority date | — |
| Expiry date | Oct 18, 2008 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.