Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6450264 | Sprinkler system | — | 2002-09-17 |
| 6102819 | Apparatus and method for removing a replaceable hockey stick blade from a handle | Roger A. Christian | 2000-08-15 |
| 6039661 | Reinforced hockey replacement blade and method of making the same | Roger A. Christian | 2000-03-21 |
| 5697857 | Plastic hockey stick blade structure | Roger A. Christian | 1997-12-16 |
| 5695416 | Hockey stick and hockey stick replacement blade | — | 1997-12-09 |
| 5676608 | Hockey stick blade and method of making the same | Roger A. Christian | 1997-10-14 |
| 5628509 | Hockey stick replacement blade and method of connecting a replacement blade to a hockey stick shaft | — | 1997-05-13 |
| 5496027 | Reinforced hockey stick blade and method of making same | Roger A. Christian | 1996-03-05 |
| 5339798 | Modular home system | — | 1994-08-23 |
| 5161519 | Modular panel as air transferring conduit | — | 1992-11-10 |
| D329888 | Hockey stick | — | 1992-09-29 |
| 5060432 | Modular panel | — | 1991-10-29 |