Inventor · disambiguated record
Stig B. Ahlgren
Also filed as: AHLGREN STIG B
5 granted patents·88 citations·filing 1977–1986
82Inventor score
Technology areasG09F
Top patents by PatentIndex Score
5 records- 0172USD281336SRotatable display element for changeable message signAHLGREN STIG B·Filed 1983·Granted Nov 12, 1985·14 cites·1 claims
- 0272US4189859ADevice at display arrangementPRISMA NEON AB·Filed 1977·Granted Feb 26, 1980·31 cites·4 claims
- 0362US4528763ASign having changeable displaysAHLGREN STIG B·Filed 1984·Granted Jul 16, 1985·24 cites·8 claims
- 0457USD299211SToothed drive pulleyPRISMAVISION AB·Filed 1985·Granted Jan 3, 1989·10 cites·1 claims
- 0536US4676767ADriving device for signsAHLGREN STIG B·Filed 1986·Granted Jun 30, 1987·9 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →