Olof Martensson IV

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Annapolis, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Tape drive extendable and retractable awning assembly
- Patent number 5,307,855
- Issue date May 3, 1994
- Awnings Unlimited, Inc.
- Olof Martensson
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information Patent Grant
Awning support system
- Patent number 4,641,805
- Issue date Feb 10, 1987
- Awnings Unlimited, Inc.
- Olof Martensson
- E04 - BUILDING