|
The ornamental design for a ventilator, as shown and described. |
|||||||||||||||||
FIG. 1 is a perspective view of the ventilator embodying our design;
FIG. 2 is a top plan view thereof;
FIG. 3 is an elevational view taken from one side thereof, the opposite side being a mirror image of the side shown;
FIG. 4 is an elevational view taken from one end thereof, the opposite end being a mirror image of the end shown; and
FIG. 5 is a bottom plan view thereof.
Stern, Derek V., Fleury, Noel W.
| Patent | Priority | Assignee | Title |
| D471624, | Mar 20 2001 | Flettner Ventilator Limited | Ventilation rotor |
| D471971, | Mar 20 2001 | LifeNet Health | Ventilation cover |
| D933804, | Oct 07 2019 | KEYSTONE RV COMPANY | Diffuser head for an air conditioning system |
| ER6821, | |||
| ER7926, |
| Patent | Priority | Assignee | Title |
| 1416295, | |||
| 2469096, | |||
| 204518, | |||
| 217721, | |||
| SE90671, |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jan 16 1981 | STERN DEREK V | Flettner Ventilator Limited | ASSIGNMENT OF ASSIGNORS INTEREST | 003883 | /0534 | |
| Jan 16 1981 | FLEURY NOEL W | Flettner Ventilator Limited | ASSIGNMENT OF ASSIGNORS INTEREST | 003883 | /0534 | |
| Jan 23 1981 | Flettner Ventilator Limited | (assignment on the face of the patent) | / |
| Date | Maintenance Fee Events |
| Date | Maintenance Schedule |