Vision assistive device
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Description
The broken lines shown in
Claims
The ornamental design for a vision assistive device, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
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Patent History
Patent number: D701894
Type: Grant
Filed: Mar 14, 2013
Date of Patent: Apr 1, 2014
Assignee: ABiSee, Inc. (Acton, MA)
Inventors: Leon Reznik (Sudbury, MA), Lev Lvovsky (Waban, MA), Helen Reznik (Sudbury, MA)
Primary Examiner: Wan Laymon
Application Number: 29/449,236
Type: Grant
Filed: Mar 14, 2013
Date of Patent: Apr 1, 2014
Assignee: ABiSee, Inc. (Acton, MA)
Inventors: Leon Reznik (Sudbury, MA), Lev Lvovsky (Waban, MA), Helen Reznik (Sudbury, MA)
Primary Examiner: Wan Laymon
Application Number: 29/449,236
Classifications
Current U.S. Class:
Integrated Unit (D16/225)