Neilsen; Hildaur L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Neilsen; Hildaur L..The latest application filed is for "closed portable card file".
- Neilsen; Hildaur L. - Metuchen NJ
| Patent | Date |
|---|---|
| Closed portable card file Grant 4,906,057 - Davi , et al. March 6, 1 | 1990-03-06 |
| Adjustable multiple paper punch Grant 4,898,055 - Neilsen February 6, 1 | 1990-02-06 |
| Paper punch apparatus with improved punch element Grant 4,829,867 - Neilsen May 16, 1 | 1989-05-16 |
| Heavy duty paper punch Grant 4,688,457 - Neilsen , et al. August 25, 1 | 1987-08-25 |
| Combined card file and curved top cards Grant D265,659 - Neilsen , et al. August 3, 1 | 1982-08-03 |
| Deburring devices Grant 4,253,223 - Neilsen March 3, 1 | 1981-03-03 |
| Rotary card file Grant 4,165,575 - Neilsen August 28, 1 | 1979-08-28 |
| Deburring apparatus Grant 4,089,204 - Neilsen May 16, 1 | 1978-05-16 |
| Burring device with oppositely acting deburring elements Grant 4,041,751 - Neilsen August 16, 1 | 1977-08-16 |
| Rotary card holder Grant 4,035,938 - Neilsen July 19, 1 | 1977-07-19 |
| Deburring device with oppositely acting deburring elements Grant 3,926,031 - Neilsen December 16, 1 | 1975-12-16 |
| Deburring Devices Grant 3,827,270 - Neilsen August 6, 1 | 1974-08-06 |
| Card Holding Device Grant 3,817,393 - Neilsen June 18, 1 | 1974-06-18 |
| Deburring Devices Grant 3,707,087 - Neilsen December 26, 1 | 1972-12-26 |
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