| 5415252 |
Twin wheel caster and brake assembly |
— |
1995-05-16 |
| 5276942 |
Appliance roller |
Christopher F. Estkowski |
1994-01-11 |
| 5232265 |
Vertical back adjust for chairs |
Christopher G. Estkowski |
1993-08-03 |
| 5230571 |
Caster bearing assembly |
Christopher G. Estkowski |
1993-07-27 |
| 5226739 |
Integral retainer and bearing assembly |
Christopher G. Estkowski |
1993-07-13 |
| 5075924 |
Tilted axle multiple wheel caster |
Christopher G. Estkowski |
1991-12-31 |
| 5068943 |
Dual wheel tilted axle caster with an integral retainer and bearing assembly |
Christopher G. Estkowski, Michael Gaishin |
1991-12-03 |
| 5018787 |
Chair seat tilt control |
Don E. Minor |
1991-05-28 |
| 4892354 |
Chair seat tilt control |
Don E. Minor, Lennard V. Lastuck |
1990-01-09 |
| 4763383 |
Electrically conductive caster having loop depending rings |
Christopher G. Estkowski, Robert M. Shane |
1988-08-16 |
| 4718726 |
Chair seat tilt control |
Jerome Caruso, Don E. Minor |
1988-01-12 |
| 4696394 |
Easily removable protective covering for annular objects |
Robert S. Doumani, Christopher G. Estkowski |
1987-09-29 |
| 4688512 |
Backlighted trip indicator |
Daniel D. Alper, Kenneth C. Bakhaus |
1987-08-25 |
| 4453369 |
Method of producing seed marker tabs |
— |
1984-06-12 |
| 4353183 |
Seed marker tabs |
— |
1982-10-12 |
| 4339154 |
Vehicle brake system |
Ralph M. Duttarer, Russell P. Smith |
1982-07-13 |