Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12320077 | Base for turf system | Daniel C. Sawyer, Richard R. Runkles | 2025-06-03 |
| 12247360 | Infill for artificial turf system | Daniel C. Sawyer, Stephen Richard Keyser, Richard R. Runkles | 2025-03-11 |
| 12234612 | Underlayment panel having drainage channels | — | 2025-02-25 |
| 12116734 | Infill for artificial turf system | Stephen Richard Keyser | 2024-10-15 |
| 11846075 | Base for turf system | Daniel C. Sawyer, Richard R. Runkles | 2023-12-19 |
| 11761154 | Underpayment panel having drainage channels | — | 2023-09-19 |
| 11371194 | Base for turf system | Daniel C. Sawyer, Richard R. Runkles | 2022-06-28 |
| 11021842 | Infill for artificial turf system | Daniel C. Sawyer, Stephen Richard Keyser, Richard R. Runkles | 2021-06-01 |
| 10982395 | Base for turf system | Daniel C. Sawyer, Richard R. Runkles | 2021-04-20 |
| 10975532 | Underlayment panel having drainage channels | — | 2021-04-13 |
| 10655282 | Underlayment panel having drainage channels | — | 2020-05-19 |
| D866800 | Turf underlayment | Richard R. Runkles, Daniel C. Sawyer, James M. Koerlin | 2019-11-12 |
| 10047484 | Underlayment panel having drainage channels | — | 2018-08-14 |
| 9790646 | Base for turf system | Daniel C. Sawyer, Richard R. Runkles | 2017-10-17 |
| 9771692 | Base for turf system | Daniel C. Sawyer, Richard R. Runkles | 2017-09-26 |
| 9631326 | Underlayment panel having drainage channels | — | 2017-04-25 |
| 9394651 | Underlayment panel having drainage channels | — | 2016-07-19 |
| 8967906 | Underlayment panel having drainage channels | — | 2015-03-03 |
| 8668403 | Load supporting panel having impact absorbing structure | — | 2014-03-11 |
| 8603601 | Base for turf system | Daniel C. Sawyer, Richard R. Runkles | 2013-12-10 |
| 8597754 | Base for turf system | Daniel C. Sawyer, Richard R. Runkles | 2013-12-03 |
| 8568840 | Base for turf system | Daniel C. Sawyer, Richard R. Runkles | 2013-10-29 |
| 8353640 | Load supporting panel having impact absorbing structure | — | 2013-01-15 |
| 8236392 | Base for turf system | Daniel C. Sawyer, Richard R. Runkles | 2012-08-07 |
| D637318 | Turf underlayment | Daniel C. Sawyer, Richard R. Runkles | 2011-05-03 |