Long; Dennis L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Long; Dennis L..The latest application filed is for "counterbalance apparatus".
- Long; Dennis L. - Grand Rapids MI
| Patent | Date |
|---|---|
| Counterbalance apparatus Grant 8,201,505 - Long June 19, 2 | 2012-06-19 |
| Counterbalance Apparatus App 20110048291 - Long; Dennis L. | 2011-03-03 |
| Adjustment mechanism for workstation Grant 6,484,648 - Long November 26, 2 | 2002-11-26 |
| Counterbalance apparatus Grant 6,378,446 - Long April 30, 2 | 2002-04-30 |
| Device for controlling the rotation of a shaft App 20020043188 - Long, Dennis L. | 2002-04-18 |
| Adjustment mechanism for workstation Grant 6,289,825 - Long September 18, 2 | 2001-09-18 |
| Damping cylinder Grant 6,053,486 - Schuitema , et al. April 25, 2 | 2000-04-25 |
| Counterbalance apparatus Grant 6,026,755 - Long February 22, 2 | 2000-02-22 |
| Counterbalance apparatus Grant 5,718,406 - Long February 17, 1 | 1998-02-17 |
| Modular unit adapted for office use Grant 4,637,177 - Long * January 20, 1 | 1987-01-20 |
| Modular unit adapted for medical use Grant 4,569,163 - Long February 11, 1 | 1986-02-11 |
| Modular unit with foldable panels Grant 4,511,024 - Long April 16, 1 | 1985-04-16 |
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