Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7584656 | Floatless rain gauge | Karl A. Senghaas, Peter Senghaas, Colin M. Sanderson | 2009-09-08 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7584656 | Floatless rain gauge | Karl A. Senghaas, Peter Senghaas, Colin M. Sanderson | 2009-09-08 |