Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D382787 | Saw blade | Donald C. Pennington, Jr., David H. Byrley, Alexander Grishin, Richard A. Dossett, Manfred W. Schmidt | 1997-08-26 |
| D382185 | Saw blade | Donald C. Pennington, Jr., David H. Byrley, Alexander Grishin, Richard A. Dossett, Manfred W. Schmidt | 1997-08-12 |
| D382186 | Saw blade | Donald C. Pennington, Jr., David H. Byrley, Alexander Grishin, Richard A. Dossett, Manfred W. Schmidt | 1997-08-12 |
| D380660 | Saw blade | Donald C. Pennington, Jr., David H. Byrley, Alexander Grishin, Richard A. Dossett, Manfred W. Schmidt | 1997-07-08 |
| 5622462 | Twist drill bit | David Brutscher, Wilfred M. McCord, Jr. | 1997-04-22 |