Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9580043 | Specialized restraint systems for amusement rides | David L. Collins, David Althoff, Jr. | 2017-02-28 |
| 9126554 | Specialized restraint systems for amusement rides | David L. Collins, David Althoff, Jr. | 2015-09-08 |
| 8505383 | Specialized restraint systems for amusement rides | David L. Collins, David Altoff, Jr. | 2013-08-13 |
| 7905789 | Specialized restraint systems for amusement rides | David L. Collins, David Althoff, Jr. | 2011-03-15 |