Oy Helvar
USPTO Trademark & Patent Filings
Trademark applications and grants for Oy Helvar. Oy Helvar has 4 trademark applications. The latest application filed is for "HELVAR"
- Company Aliases
- OY HELVAR
- helvar oy
- Oy Helvar - FI FI
- Oy Helvar - Helsinski FI
- Oy; Helvar - Helsinki FI
- Oy Helvar - Helsinki FI
Trademarks Patents
| Patent Application | Date |
|---|---|
| Method and apparatus for wireless remote control 5,844,516 - 08/554,451 Viljanen December 1, 1 | 1998-12-01 |
| Control device for an appliance consuming electric power 5,552,676 - 08/329,084 Viljanen September 3, 1 | 1996-09-03 |
| Control circuit for drive circuit of an electronic ballast for a discharge lamp 5,410,220 - 08/122,770 von Hertzen April 25, 1 | 1995-04-25 |
| Electronic mains connection device for a gas discharge lamp 4,719,390 - 06/667,201 Sairanen January 12, 1 | 1988-01-12 |
| Intensity regulator, especially a light regulator 4,456,855 - 06/381,145 Sairanen June 26, 1 | 1984-06-26 |
Mark Image Registration | Serial | Trademark Application Date |
|---|---|
"HELVAR" 2289931 75442374 |
HELVAR 1998-03-02 |
"HELVAR" 2359091 75416855 |
HELVAR 1998-01-12 |
"HELVAR" 74610117 |
HELVAR 1994-10-06 |
"HELVAR" 73721531 |
HELVAR 1988-04-11 |
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