Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12318015 | Lightweight collapsible stool | Robert W. Smith, Merry Riehm-Constantino | 2025-06-03 |
| 11871851 | Lightweight collapsible stool | Robert W. Smith, Merry Riehm-Constantino | 2024-01-16 |
| 11471363 | Position-adjustable accessory handle device for facilitated operation of a rollator | Tivadar A. Semesnyei, Merry Riehm-Constantino | 2022-10-18 |