Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6401608 | Printing press with perfecting station | Donald F. Lyon, Karl Christopher Hansen, Michael Tilman, Salvatore DiRosa | 2002-06-11 |
| D412451 | Cathodic test station | — | 1999-08-03 |
| 5897755 | Cathodic protection test station | Robert Dayton | 1999-04-27 |
| 5251652 | Street sweeper | Daniel P. Strauser | 1993-10-12 |
| 5060334 | Street sweeper | Daniel P. Strauser | 1991-10-29 |
| 4951347 | Brush-type cleaning system | Arvin Karas | 1990-08-28 |
| D273622 | Floor maintenance machine | Neil F. Brown, Logan Johnson | 1984-04-24 |