Headphone shell

Details Headphone shell Headphone shell

1995-12-11

1997-06-10

Morris, Sandra L.

Recording, communication, or information retrieval equipment

Video or audio transmission, recording or playback equipment

Element or attachment

D14205, 1401

Patent

active

D03798178

REFERENCES:
patent: D299129 (1988-12-01), Wiegel
patent: 1368307 (1921-02-01), Waldron
patent: 1527802 (1925-02-01), Huggins
Califone International, Inc. Info. Sht., 2924AV Dynamic Headphone, 1992, 2 pgs.
mpc-pm & e Educational Systems, Inc. Info. Sht., MPC-2900 Series Dynamic Headphones, 1 pg., undated.
Designed for Institutional Use, 1994, 1 pg.
Califone International, Inc. Info. Sht., Listening Center Components, 1990, 1 pg.
Califone International, Inc. Info. Sht., 2924AV Headphone, 1991, 1 pg.
mpc-pm & e Educational Systems, Inc. Info. Sht., MPC-2900 Series Dynamic Headphones, ("NEW"), 1 pg., undated.
mpc-pm & e Educational Systems, Inc. Info. Sht. , . . . And Student Record, 1 pg. undated.
mpc-pm & e Educational Systems, Inc. Info. Sht., MPC Listening Centers with MPC-MX300 (H/99) Dynamic Headphones, undated.
mpc-pm & e Educational Systems, Inc. Info. Sht., NEW MPC-2900 Series Listening Centers, undated.
Catalog entitled Headphones & Headsets, pp. 395-402. undated.

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