Arthur B. Carroll

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St. Joseph, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Parabolic light emitter and detector unit
- Patent number 4,467,193
- Issue date Aug 21, 1984
- Carroll Manufacturing Corporation
- Arthur B. Carroll
- G01 - MEASURING TESTING
Information Patent Grant
Three-dimensional protective interlock apparatus
- Patent number 4,384,201
- Issue date May 17, 1983
- Carroll Manufacturing Corporation
- Arthur B. Carroll
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Photoelectric input apparatus
- Patent number 4,267,443
- Issue date May 12, 1981
- Carroll Manufacturing Corporation
- Arthur B. Carroll
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Touch panel with ambient light sampling
- Patent number 4,243,879
- Issue date Jan 6, 1981
- Carroll Manufacturing Corporation
- Arthur B. Carroll
- G06 - COMPUTING CALCULATING COUNTING