Edward A. Ulvestad

Follow

Person

Naperville, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Dust collecting filter cartridge and attachment structure for suspe...
- Patent number 4,443,237
- Issue date Apr 17, 1984
- Flex-Kleen Corporation
- Edward A. Ulvestad
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Top removal support for dust collector bags
- Patent number 4,292,057
- Issue date Sep 29, 1981
- Flex Kleen Corp.
- Edward A. Ulvestad
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Support for bottom removal dust collector bag assembly
- Patent number 3,997,305
- Issue date Dec 14, 1976
- Flex-Kleen Corporation
- Edward A. Ulvestad
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL