Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7506728 | Electrical connector device for use with elevator load bearing members | Justin R. Hawkes, Paul A. Stucky, William A. Veronesi | 2009-03-24 |
| 6371261 | Molybdenum alloy elevator safety brakes | Mark S. Thompson, James T. Beals, Philip H. McCluskey, David Wayne Mckee, Michael C. Lang +3 more | 2002-04-16 |
| 5979615 | Carbon--carbon composite elevator safety brakes | Mark S. Thompson, James T. Beals, Philip H. McCluskey, David Wayne Mckee, Michael C. Lang +3 more | 1999-11-09 |
| 5964322 | Elevator safety brake having a plasma sprayed friction coating | Mark S. Thompson, Raymond A. Zatorski, James T. Beals, Philip H. McCluskey, David Wayne Mckee +3 more | 1999-10-12 |
| 5819879 | Safety brake | Michael C. Lang, Dat Nguyen, Samuel C. Wan, Richard J. Ericson, Paul Bennett +6 more | 1998-10-13 |