Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8797603 | Method and system for document version management | Kevin Huffman, T. Philip Lutz, II | 2014-08-05 |
| 4674191 | Method and apparatus for producing registered multiple overlay architectural drawings in a computer aided drafting system | — | 1987-06-23 |