Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1086754 | Workstation | Jack Wayne Johnson, John R. Kutzke, Robert Scharfenkamp, Matthew Dewey | 2025-08-05 |
| D1033105 | Chair | Roger John Carr, David Alun Williams, Mark McKenna, Bruce M. Smith, Donald Jeffrey Christian +2 more | 2024-07-02 |
| D1011096 | Desk | Jack Wayne Johnson, John R. Kutzke, Robert Scharfenkamp, Matthew Dewey | 2024-01-16 |
| D1008711 | Workstation | Jack Wayne Johnson, John R. Kutzke, Robert Scharfenkamp, Matthew Dewey | 2023-12-26 |
| D1003641 | Lectern | Jack Wayne Johnson, John R. Kutzke, Robert Scharfenkamp, Matthew Dewey | 2023-11-07 |
| D977885 | Utility basket for chair | Robert Scharfenkamp, Matthew Dewey, Jack Wayne Johnson | 2023-02-14 |