Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6184844 | Dual-band helical antenna | Daniel F. Filipovic, Ali Tassoudji | 2001-02-06 |
| 5850612 | Multi-axis vertically corrected antenna for handheld wireless communications devices | Eric C. Kulberg, Roy Howard Davis, Roy K. Fischer, Randall Toltzman, Randsom A. Brown | 1998-12-15 |
| 5844985 | Vertically correcting antenna for portable telephone handsets | Eric C. Kulberg, William R. Panton, James H. Thompson, Robert P. Gilmore | 1998-12-01 |
| 5781867 | Telescoping mast antenna for wireless devices having rotating mast | — | 1998-07-14 |