William Crandall

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San Francisco, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Accessible automated transaction machines for sight-impaired person...
- Patent number 6,186,396
- Issue date Feb 13, 2001
- Talking Signs, Inc.
- William F. Crandall
- G07 - CHECKING-DEVICES
Information Patent Grant
Hollow covering device for lightwave or radiant energy systems
- Patent number 6,002,138
- Issue date Dec 14, 1999
- Talking Signs, Inc.
- C. Ward Bond
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Passenger conveyance vehicles and systems utilizing the same
- Patent number 5,986,786
- Issue date Nov 16, 1999
- Talking Signs, Inc.
- William F. Crandall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal transmitter with automatic output control and systems utiliz...
- Patent number 5,757,530
- Issue date May 26, 1998
- Talking Signs, Inc.
- William F. Crandall
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Hollow cover for a lightwave source
- Patent number D388088
- Issue date Dec 23, 1997
- Talking Signs, Inc.
- C. Ward Bond
- D14 - Recording, communication, or information retrieval equipment
Information Patent Grant
Accessible automatic teller machines for sight-impaired persons and...
- Patent number 5,616,901
- Issue date Apr 1, 1997
- Talking Signs, Inc.
- William Crandall
- G07 - CHECKING-DEVICES

Patents Applicationslast 30 patents

Information Patent Application
Systems, Methods and Software for Redirecting Blind Travelers Using...
- Publication number 20150330787
- Publication date Nov 19, 2015
- Joseph CIOFFI
- G01 - MEASURING TESTING
Information Patent Application
Geospatial lightwave communications system
- Publication number 20040137898
- Publication date Jul 15, 2004
- William F. Crandall
- G07 - CHECKING-DEVICES
Information Patent Application
EGRESS SYSTEM
- Publication number 20020149491
- Publication date Oct 17, 2002
- William F. Crandall
- G08 - SIGNALLING