Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 9151342 | Cone roller lock device | Allan Triebold, George Larson | 2015-10-06 | |
| 8746417 | Cone roller lock device | Allan Triebold, George Larson | 2014-06-10 | |
| 4445976 | Method of entrained flow drying | Christopher LaDelfa | 1984-05-01 | $966,000 |
| 4407653 | Apparatus for heating solid heat-carrying bodies | — | 1983-10-04 | $1,756,000 |
| 4226699 | Method and apparatus for conservation of heat from sludge produced by a retort | — | 1980-10-07 | $7,578,000 |