BLACKHAWK SYSTEMS, INC.

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CHICAGO, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for fabrication of metal buildings
- Patent number 4,245,828
- Issue date Jan 20, 1981
- Blackhawk Systems, Inc.
- John Aldag
- E04 - BUILDING

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
73161901 - B
- Serial number 73161901
- Registration number 1105467
- Filing date Mar 13, 1978
- BLACKHAWK SYSTEMS, INC.
- 6 - Common metals and their alloys