Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12227641 | Soil biodegradable blown film bag formulation | Kelvin T. Okamoto | 2025-02-18 |
| 11608436 | Soil biodegradable blown film bag formulation | Kelvin T. Okamoto | 2023-03-21 |
| 10837155 | Erosion control system | — | 2020-11-17 |
| 9926684 | Roof runoff water control system | James Earl Hawkinson | 2018-03-27 |
| 9637886 | Methods for controlling weeds and water using a bag filled with landscaping material | James Earl Hawkinson | 2017-05-02 |
| 9445552 | Weed suppression system and method | James Earl Hawkinson, Kelvin T. Okamoto | 2016-09-20 |
| 8935882 | Methods for controlling weeds and water using a bag filled with landscaping material | James Earl Hawkinson | 2015-01-20 |
| 8931211 | Methods for controlling weeds and water using a bag filled with landscaping material | James Earl Hawkinson | 2015-01-13 |
| 8615926 | Bag constructed of weed suppression material for packaging ground cover material | James Earl Hawkinson | 2013-12-31 |
| 8522476 | Bag constructed of weed suppression material for packaging ground cover material | James Earl Hawkinson | 2013-09-03 |