Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8082972 | System for assembly wax trees using flexible branch | — | 2011-12-27 |
| 7147032 | Process and apparatus for assembly of wax trees | Richard Ludwig, Stephen Derby, Raymond Puffer | 2006-12-12 |
| 6957686 | Heated blades for wax melting | Raymond Puffer, Daniel Walczyk, Rory MacKean, Jason Chalfant, Keith F. Hendrck | 2005-10-25 |
| 6929050 | Wax runners for casting | Raymond Puffer, Daniel Walczyk, Rory MacKean, Jason Chalfant | 2005-08-16 |
| 6910519 | Process and apparatus for assembly of wax trees | Richard Ludwig, Stephen Derby, Raymond Puffer | 2005-06-28 |