| 6428238 |
Road marker collar |
— |
2002-08-06 |
| 6200064 |
Road marker with collar |
— |
2001-03-13 |
| 6116812 |
Snowplowable pavement marker |
— |
2000-09-12 |
| D426169 |
Snowplowable pavement marker |
— |
2000-06-06 |
| 5975794 |
Snowplowable pavement marker |
— |
1999-11-02 |
| 5564854 |
Snowplowable road marker |
— |
1996-10-15 |
| 5502593 |
Compact pavement marker |
— |
1996-03-26 |
| D348411 |
Pavement marker |
— |
1994-07-05 |
| D346984 |
Pavement marker |
— |
1994-05-17 |
| 5308186 |
Snowplowable road marker |
— |
1994-05-03 |
| 5240719 |
One piece safety cap molding apparatus |
— |
1993-08-31 |
| D327230 |
Snowplowable guard member for pavement markers |
— |
1992-06-23 |
| 5098217 |
Abrasion resistant coating for pavement marker |
Douglas Forrer |
1992-03-24 |
| 5061114 |
Reflective pavement marker and method of apparatus for making same |
— |
1991-10-29 |
| 5053182 |
One piece safety cap molding apparatus and method |
— |
1991-10-01 |
| 5002424 |
Reflective pavement marker with inclined reinforcing ribs |
— |
1991-03-26 |
| 4883384 |
Protective roadway marker guard rails |
— |
1989-11-28 |
| 4444327 |
Tight vial assembly with one-piece cap |
— |
1984-04-24 |
| 4319690 |
Child-resistant closure and container assembly including improved outer cap |
Stewart H. Birrell |
1982-03-16 |