Douglas L. Dahlgren

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Holdrege, NE, US

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Patents Grantslast 30 patents

Information Patent Grant
Shock absorbent bulbholder mounting
- Patent number 5,067,065
- Issue date Nov 19, 1991
- Allmand Bros. Inc.
- Douglas L. Dahlgren
- F21 - LIGHTING
Information Patent Grant
Portable light support apparatus
- Patent number 4,600,980
- Issue date Jul 15, 1986
- Allmand Bros. Inc.
- Douglas L. Dahlgren
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES