Roger L. Rosenberg

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Arlington Heights, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Long jump and triple jump foul detector system
- Patent number 5,294,912
- Issue date Mar 15, 1994
- Lumi Sport Products, Inc.
- John Bednarz
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Automatic down rigger control system
- Patent number 4,376,350
- Issue date Mar 15, 1983
- Circom, Inc.
- John J. Bednarz
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Trolling depth controller
- Patent number 4,339,811
- Issue date Jul 13, 1982
- Circom, Inc.
- John J. Bednarz
- G01 - MEASURING TESTING