Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5284103 | Bio-mass burner construction | David J. Hand, Stan E. Abrams | 1994-02-08 |
| 5178076 | Bio-mass burner construction | David J. Hand, Stan E. Abrams | 1993-01-12 |
| 4475471 | Bio-mass burner with grate therefor and method of operation | David J. Hand, John A. Careatti | 1984-10-09 |
| 4395956 | Bio-mass burner with grate therefor and method of operation | David J. Hand, John A. Careatti | 1983-08-02 |
| 4341199 | Bio-mass burner with grate therefor and method of operation | David J. Hand, John A. Careatti | 1982-07-27 |