Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819162 | Time clock system including scheduling payroll and productivity analysis capability | Frederick W. Webb, Jr., Allen Almendinger, Kenneth J. Hendren, Donald D. Petersen, Michael B. Dandrea +1 more | 1989-04-04 |