Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6530715 | Nonconductive extension for electric motor shaft | David Kraft | 2003-03-11 |
| D468191 | Safety railing brace | — | 2003-01-07 |
| 5389748 | Method and apparatus for modernizing the control of an elevator group | Robert Platt, Kenneth T. May | 1995-02-14 |
| 4183301 | Induction ground mine and firing mechanism therefor | George Renholt, Jr. | 1980-01-15 |