Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5641588 | Portable battery with a retrofitting projection and wrist rest for use externally of an electronic device | Dennis P. Sieminski, Mark J. Schimpf, Roberto G. Fraquelli, Richard W. Grant, III, Suzy Stone | 1997-06-24 |