Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5843222 | Modified cement and concrete compositions | F. MacGregor Miller, William Russell Welliver | 1998-12-01 |
| 5711796 | Bituminous compositions having enhanced performance properties | Kenneth F. Grzybowski, David Reese Jones, IV, William Russell Welliver | 1998-01-27 |
| 5658972 | Fire retardant plastic construction material | Kenneth F. Grzybowski, David Reese Jones, IV, William Russell Welliver | 1997-08-19 |
| 5639298 | Modified gypsum compositions | F. MacGregor Miller, William Russell Welliver, John Robert Brown | 1997-06-17 |
| 5562767 | Manufactured aggregate composite | F. MacGregor Miller, William Russell Welliver, Alexander Mishulovich, Mark S. Hudson | 1996-10-08 |
| 5468276 | Fertilizer chip and process for making same | William Russell Welliver | 1995-11-21 |
| 5362471 | Process for producing gypsum flake from flue gas desulfurization | Carmine Richard Gagliardi, William Russell Welliver | 1994-11-08 |
| 5235133 | Housing | Frederick Roth | 1993-08-10 |