Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5331567 | Pyramidal absorber having multiple backing layers providing improved low frequency response | Hugh Gibbons | 1994-07-19 |
| 5016185 | Electromagnetic pyramidal cone absorber with improved low frequency design | Christopher Lee Holloway | 1991-05-14 |