Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4944056 | Method and apparatus for transporting a disabled person | Roger A. Schroeder, Robert H. Broyden, Robert C. Dearstyne, Joseph L. Magner, David W. Dayton +1 more | 1990-07-31 |