Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D743305 | Wheelchair castor posts | William D. Childs, Anish Paul, Steven L. Birman, Michael Graves, Donald Strum +1 more | 2015-11-17 |
| D742286 | Wheelchair rear wheels with supports | William D. Childs, Anish Paul, Steven L. Birman, Michael Graves, Donald Strum +1 more | 2015-11-03 |
| D732439 | Wheelchair armrests | William D. Childs, Anish Paul, Steven L. Birman, Michael Graves, Donald Strum +1 more | 2015-06-23 |
| 9033349 | Pole and topper for mobile medical device | Michael Graves, Donald Strum, Robert Beale Van Varick, William D. Childs, Anish Paul +1 more | 2015-05-19 |
| D705134 | Wheelchair handlebars | William D. Childs, Anish Paul, Steven L. Birman, Michael Graves, Donald Strum +1 more | 2014-05-20 |