Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4522882 | Method and apparatus for coating submerged portions of floating structures | Herman S. Preiser, Kenneth Hatley | 1985-06-11 |
| 4420533 | Method and apparatus for coating submerged portions of floating structures | Herman S. Preiser, Kenneth Hatley | 1983-12-13 |
| 4321101 | Method and apparatus for coating submerged portions of floating structures | Herman S. Preiser, Kenneth Hatley | 1982-03-23 |
| 4303608 | Apparatus and method for molding of submerged surfaces | Herman S. Preiser, William Klemens, John L. Drake, Jr. | 1981-12-01 |
| 4198362 | Method and apparatus for molding and replicating minute surface characteristics | Herman S. Preiser | 1980-04-15 |