Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5094157 | Can crushing machine | George Challis | 1992-03-10 |
| 4249469 | Safe having combination locking mechanisms | — | 1981-02-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5094157 | Can crushing machine | George Challis | 1992-03-10 |
| 4249469 | Safe having combination locking mechanisms | — | 1981-02-10 |