U.S. patent number D350,135 [Application Number 07/830,189] was granted by the patent office on 1994-08-30 for enclosed speaker for vehicle use. This patent grant is currently assigned to Polk Investment Corporation. Invention is credited to Matthew S. Polk, Jr., William E. Rupert.
United States Patent | D350,135 |
Polk, Jr. , et al. | August 30, 1994 |
Inventors: | Polk, Jr.; Matthew S. (Baltimore, MD), Rupert; William E. (Bel Air, MD) |
---|---|
Assignee: | Polk Investment Corporation
(Wilmington, DE) |
Appl. No.: | 07/830,189 |
Filed: | January 31, 1992 |
Current U.S. Class: | D14/204 |
Field of Search: | ;181/148,150,156,157 ;D14/204,207-216,219-224,169,172,193,194 |
D266759 | November 1982 | Jabara |
D269871 | July 1983 | Ishizaki |
D305333 | January 1990 | Irby |
D319239 | August 1991 | Kovner |
D340056 | October 1993 | Caron et al. |
Audio Video International, Jun. 1985, p. 92, "Sound Series 2000, Model S-10". . Crutchfield Summer 1986, p. 42, "Infinity Infinitesimal III". . Crutchfield Summer 1991, p. 40 "Kicker CTF" speaker. . Crutchfield Summer 1991, p. 41 "Cerwin-Vega FR12-3/MSE-12" speaker.. |
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