Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7339136 | Bread impaling cooking utensil | — | 2008-03-04 |
| 5438171 | Composite sound wall | — | 1995-08-01 |
| 5302049 | Mobility guide tile for visually handicapped | — | 1994-04-12 |
| 5290833 | Aggregate of asphalt and filler | — | 1994-03-01 |
| 5272284 | Sound barrier | — | 1993-12-21 |
| 5217771 | Sound barrier | Andrew J. HUNTINGTON | 1993-06-08 |
| 5189822 | Tamper resistant sign | Andrew J. HUNTINGTON | 1993-03-02 |
| 5015119 | Vision blocking barrier | — | 1991-05-14 |
| 4997307 | Removable snow pole insert | — | 1991-03-05 |
| 4958954 | Horizontal reflective highway marker | Michael Leigh | 1990-09-25 |
| 4779955 | 360 Degree reflector device | — | 1988-10-25 |
| 4715743 | Mobility guide tile for visually handicapped | — | 1987-12-29 |
| 4674432 | Traffic barricade | — | 1987-06-23 |
| 4611949 | Detachable base for road delineators | — | 1986-09-16 |
| 4605204 | Collapsible recreational fence | Scott Alan Landis | 1986-08-12 |
| 4571118 | Simulated tubular highway safety device | — | 1986-02-18 |
| RE32045 | Roadway/traffic delineator | — | 1985-12-10 |
| 4516069 | Electrolysis test station terminal and support | — | 1985-05-07 |
| 4511281 | Road-surface mountable delineator support member | — | 1985-04-16 |
| 4357001 | Method and apparatus for making fences | Thomas J. Rose | 1982-11-02 |
| 4342168 | Flexible street sign blank | — | 1982-08-03 |
| 4338041 | Glarefoil assembly | — | 1982-07-06 |
| 4249832 | Highway median delineator | — | 1981-02-10 |