Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9038937 | Size-adjustable and securable media spindle apparatus | Rudolf W. Riegner, III, Sin Yong Alvin Tay | 2015-05-26 |
| 8539869 | Guillotine cutter | Kerry B. Anderson, Douglas R. Kremers | 2013-09-24 |
| D392383 | Fan | Stephen Phillips | 1998-03-17 |
| 5090588 | Portable containment for chemicals | Edward W. Van Romer | 1992-02-25 |