Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874936 | Hexagonal, information encoding article, process and system | Eric P. Batterman, Govind Shah | 1989-10-17 |
| 4864588 | Remote control system, components and methods | Raymond W. Simpson, John Bowers | 1989-09-05 |