Petersen; Ross K.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Petersen; Ross K..The latest application filed is for "air precleaner for an internal combustion engine".
- Petersen; Ross K. - Minneapolis MN
| Patent | Date |
|---|---|
| Air precleaner for an internal combustion engine Grant D273,956 - Petersen May 22, 1 | 1984-05-22 |
| Precleaner Grant 4,201,557 - Petersen May 6, 1 | 1980-05-06 |
| Oscillatory food warming apparatus Grant 4,137,835 - Petersen February 6, 1 | 1979-02-06 |
| Engine air intake system Grant 4,080,184 - Petersen March 21, 1 | 1978-03-21 |
| Air supply apparatus Grant 4,048,911 - Petersen September 20, 1 | 1977-09-20 |
| Engine air intake system Grant 4,013,137 - Petersen March 22, 1 | 1977-03-22 |
| Engine air precleaner Grant 3,973,937 - Petersen August 10, 1 | 1976-08-10 |
| Heating and cooling system Grant 3,965,972 - Petersen June 29, 1 | 1976-06-29 |
| Filtering apparatus Grant 3,928,008 - December 23, 1 | 1975-12-23 |
| Shield Assembly Grant 3,817,310 - Petersen June 18, 1 | 1974-06-18 |
| Air Pre-cleaner Grant 3,740,932 - Borsheim June 26, 1 | 1973-06-26 |
| Cleaner Grant 3,670,480 - Petersen June 20, 1 | 1972-06-20 |
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