Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5477587 | Vacuum power head with bare floor feature | William K. Glenn, III, James F. Barnes, Jr. | 1995-12-26 |
| 5317784 | Vacuum power head with bare floor feature | William K. Glenn, III, James F. Barnes, Jr. | 1994-06-07 |
| 4321744 | Method of securing a metal sheathed electric heating element | — | 1982-03-30 |
| 4241291 | Mounting means for sheathed heating elements and method | — | 1980-12-23 |