Ulvestad; Edward A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ulvestad; Edward A..The latest application filed is for "dust collecting filter cartridge and attachment structure for suspending same from baghouse tube sheet".
- Ulvestad; Edward A. - Naperville IL
| Patent | Date |
|---|---|
| Dust collecting filter cartridge and attachment structure for suspending same from baghouse tube sheet Grant 4,443,237 - Ulvestad April 17, 1 | 1984-04-17 |
| Top removal support for dust collector bags Grant 4,292,057 - Ulvestad , et al. September 29, 1 | 1981-09-29 |
| Support for bottom removal dust collector bag assembly Grant 3,997,305 - Ulvestad , et al. December 14, 1 | 1976-12-14 |
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