Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9410356 | Curved door | — | 2016-08-09 |
| D728084 | Curved door | Alison J. Lyons | 2015-04-28 |
| 5341527 | Bathtub with integrally formed leveling base | A. Robert Schmidt, Ronald D. Barndt | 1994-08-30 |
| D320862 | Recessed underwater light for bathtub | William L. Moeller, Karl G. Ohaus | 1991-10-15 |
| 4634124 | Vibration damped sports racquet | Joseph F. Boggia | 1987-01-06 |
| D274741 | Game ball racket | Harleston J. Hall, Jr., Frank J. Duggan, Thomas Johnson, Paul A. Witte | 1984-07-17 |
| D272553 | Squash racket | Harleston J. Hall, Jr., Frank J. Duggan, Thomas Johnson | 1984-02-07 |
| 4204681 | Game ball racket wherein certain racket components are structurally integrated with the racket frame by the string with which the racket is strung | Harleston J. Hall Jr., Roger I. Sassin | 1980-05-27 |