Headphone

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Speaker or housing therefor

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

Patent

active

D03375870

REFERENCES:
patent: D269611 (1983-07-01), Saito
patent: D316551 (1991-04-01), Ichikawa
patent: D318669 (1991-07-01), Nakayama
patent: 4668842 (1987-05-01), Yokoyama et al.
W. Bell Co. 1990-1991 Catalog .COPYRGT.1990 p. 200 Sony headphones MDR-WO5L, item 7.
Radio Shack 1988 Catalog.sup.p Realistic Nova-37.
W. Bell & Co. 1987-1988 Catalog p. 203 Sony Sports Walkman Headset, item 7.
Evans 1988 Catalog p. 278 Sony Lightweight vertical in-ear headphones, item 9.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Headphone does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Headphone, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Headphone will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1751376

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.