Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11167220 | Reusable, anchorable ornamental balloon structure | Mark Steven Sifferlin | 2021-11-09 |
| 6076758 | Balloon weight | Garry Kieves, Mark Steven Sifferlin, Paul Ansolabehere | 2000-06-20 |
| D415841 | Balloon weight | Garry Kieves, Mark Steven Sifferlin, Paul Ansolabehere | 1999-10-26 |
| D414222 | Balloon weight | Garry Kieves, Mark Steven Sifferlin, Paul Ansolabehere | 1999-09-21 |