Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10017902 | Tie gang ballast replacer-compactor and related methods | — | 2018-07-10 |
| 9200412 | Railway stone ballast and related systems and methods | Glenn N. Robinson | 2015-12-01 |
| 9004371 | Systems and related methods involving isolation tubs | Glenn N. Robinson | 2015-04-14 |
| 8952563 | Utility scale electric energy storage system | William R. Peitzke, Matthew B. Brown, William L. Erdman, Robert Thomas Scott, Douglas C. Blodgett +1 more | 2015-02-10 |
| 8593012 | Utility scale electric energy storage system | William R. Peitzke, Matthew B. Brown, William L. Erdman, Robert Thomas Scott, Douglas C. Blodgett +1 more | 2013-11-26 |