Portable signalling transmitter for disabled persons
Description
FIG. 1 is a top plan view of a portable signalling transmitter for disabled persons showing my new design;
FIG. 2 is a bottom plan view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a left side elevational view thereof;
FIG. 7 is a top perspective view thereof.
Referenced Cited
U.S. Patent Documents
D193596 | September 1962 | Waltman |
D198956 | August 1964 | Kress |
D223926 | June 1972 | Kahn |
D224785 | September 1972 | Dean, Jr. |
D225905 | January 1973 | Lincoln |
D239706 | April 1976 | Baileen |
D273848 | May 15, 1984 | Monahan |
3226705 | December 1965 | Kaufman et al. |
3797006 | March 1974 | Reininger |
Patent History
Patent number: D314718
Type: Grant
Filed: Jul 8, 1988
Date of Patent: Feb 19, 1991
Inventor: Bill McWilliams (Redwood Valley, CA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Marcus Jackson
Attorney: Leon Gilden
Application Number: 7/241,560
Type: Grant
Filed: Jul 8, 1988
Date of Patent: Feb 19, 1991
Inventor: Bill McWilliams (Redwood Valley, CA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Marcus Jackson
Attorney: Leon Gilden
Application Number: 7/241,560
Classifications
Current U.S. Class:
D10/106