Devotional and learning device

Details Devotional and learning device Devotional and learning device

1998-12-14

1999-09-28

Holtje, Martie K.

Office supplies; artists and teachers materials

Teaching material

Sensory feedback, e.g., audio-visual teaching machine

D19 59, D99 25, D11122, 1907

Patent

active

D04145135

REFERENCES:
patent: D77239 (1928-12-01), Kaim
patent: D79494 (1929-09-01), Goldberg
patent: D179521 (1957-01-01), Naimon
patent: D252387 (1979-07-01), Lawrence
patent: D388826 (1998-01-01), Jones-Fenleigh et al.
patent: D408363 (1999-04-01), Carter et al.
patent: 2310738 (1943-02-01), Johnston
patent: 4493652 (1985-01-01), Mike
patent: 5505622 (1996-04-01), Basmani
patent: 5785528 (1998-07-01), Jones-Fenleigh et al.

Affiliated with

Also associated with

Rating

Devotional and learning device does not yet have a rating. At this time, there are no reviews or comments for this patent.

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-690032