Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6196537 | Thickness measurement apparatus | James R. Schlough, Alan Scott Farr | 2001-03-06 |
| 6189879 | Thickness measurement apparatus | James R. Schlough, Alan Scott Farr | 2001-02-20 |
| 5622268 | Apparatus for calipering a collated assemblage | Douglas P. Loughman, David Upton Johnson | 1997-04-22 |
| 5187479 | Backlash compensation circuit for use with an incremental encoder | David Upton Johnson, Peter Wolf | 1993-02-16 |