Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10471323 | Playing surface assemblies for softball and baseball pitching areas | James E. Carlson, Joseph G. C. Adams, Jr. | 2019-11-12 |
| 9586121 | Adjustable golf driving surface assembly | James E. Carlson, Joseph G. C. Adams, Jr. | 2017-03-07 |
| 8944941 | Invertible sports mound | James E. Carlson, Joseph G. C. Adams, Jr. | 2015-02-03 |
| 8072225 | Differential power detection | — | 2011-12-06 |
| 4291474 | Dredge swell compensator apparatus | — | 1981-09-29 |