Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10488536 | Air-spring compensation in a piston-type marine vibrator | Stig Rune Lennart Tenghamn, Jonathan David Snodgrass, Karl-Henrik Ryttersson | 2019-11-26 |
| 9864080 | Gas spring compensation marine acoustic vibrator | Stig Rune Lennart Tenghamn, Jonathan David Snodgrass, Karl-Henrik Ryttersson | 2018-01-09 |
| 9507037 | Air-spring compensation in a piston-type marine vibrator | Stig Rune Lennart Tenghamn, Jonathan David Snodgrass, Karl-Henrik Ryttersson | 2016-11-29 |