Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7555998 | System and method for hydraulic valve actuation | Zhou Yang, Andrew Brzoska, Brian Ruggiero, David Smith, James Judd +1 more | 2009-07-07 |
| 7152576 | Compact lost motion system for variable value actuation | Richard Vanderpoel, Zhou Yang, Andrew Brzoska, Brian Ruggiero, David Smith +3 more | 2006-12-26 |
| 4939858 | Picture frame | — | 1990-07-10 |