Pair of hearing aid tubes
Latest Resound Corporation Patents:
Description
FIG. 1 is a perspective view of the hearing aid tube for use in the right ear;
FIG. 2 is a right side view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof; and,
FIG. 8 is a right side view of an alternative embodiment of the hearing aid tube for use in the left ear.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
D251852 | May 15, 1979 | Guice |
2545731 | March 1951 | French |
3851123 | November 1974 | Lipinski et al. |
3934100 | January 20, 1976 | Harada |
4291203 | September 22, 1981 | Bellafiore |
4381830 | May 3, 1983 | Jelonek et al. |
4456795 | June 26, 1984 | Saito |
4677675 | June 30, 1987 | Killion et al. |
5488205 | January 30, 1996 | Major |
512354 | November 1992 | EPX |
695108 | June 1995 | EPX |
3328100 | July 1984 | DEX |
6638747 | October 1987 | DEX |
4008982 | September 1991 | DEX |
4339899 | June 1995 | DEX |
792742 | April 1958 | GBX |
Patent History
Patent number: D420135
Type: Grant
Filed: Nov 10, 1998
Date of Patent: Feb 1, 2000
Assignee: Resound Corporation (Redwood City, CA)
Inventors: Robert Fretz (Maplewood, MN), David Barnard (Madison, WI)
Primary Examiner: Stella Reid
Law Firm: Burns Doane Swecker & Mathis LLP
Application Number: 0/96,334
Type: Grant
Filed: Nov 10, 1998
Date of Patent: Feb 1, 2000
Assignee: Resound Corporation (Redwood City, CA)
Inventors: Robert Fretz (Maplewood, MN), David Barnard (Madison, WI)
Primary Examiner: Stella Reid
Law Firm: Burns Doane Swecker & Mathis LLP
Application Number: 0/96,334
Classifications