Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5866845 | Electrical box | John B. Markiewicz, Charles H. Riedy, Peter D. Sadosky | 1999-02-02 |
| D379970 | Cover for electrical boxes | William M. Chambers | 1997-06-17 |
| D379176 | Cover for electrical boxes | William M. Chambers | 1997-05-13 |
| D378913 | Cover for electrical boxes | William M. Chambers | 1997-04-22 |
| 5417019 | Passthrough device with firestop | James A. Rajecki | 1995-05-23 |
| 4807831 | Combination boundary layer control system for high altitude aircraft | George D. Brewer | 1989-02-28 |