Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4811989 | Process for manufacture of closed end mops | Robert D. Chalfant, Richard W. Chalfant, Robert E. Liggett | 1989-03-14 |
| 4811990 | Process for manufacture of closed end wet mops | Robert D. Chalfant, Richard W. Chalfant, Robert E. Liggett | 1989-03-14 |
| 4752985 | Closed end mops | Robert D. Chalfant, Richard W. Chalfant, Robert E. Liggett | 1988-06-28 |
| 4750234 | Closed end wet mops | Robert D. Chalfant, Richard W. Chalfant, Robert E. Liggett | 1988-06-14 |
| 4644741 | Mop yarns made by fiber bonding process | J. Gary Gradinger, Robert D. Chalfant, Charles Griffin Wilson, III | 1987-02-24 |
| 4626035 | Apparatus for making mops | J. Gary Gradinger, Robert D. Chalfant, Charles Griffin Wilson, III | 1986-12-02 |
| 4252079 | Apparatus for treating mop heads and the like | — | 1981-02-24 |