Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8108066 | Incremental encoder and serializer | Michael W. Pfeiffer, Eric D. Johnson | 2012-01-31 |
| 7757834 | Workpiece presentment to a processing device | Shawn A. Ruden, Michael W. Pfeiffer | 2010-07-20 |
| 6888154 | Method of marking and detecting disc index | Michael W. Pfeiffer, James Stirn | 2005-05-03 |
| 6462661 | RF ID tag attachment to a disc drive | Michael W. Pfeiffer, David King | 2002-10-08 |