Educational toy viewing device

Details Educational toy viewing device Educational toy viewing device

1986-10-17

1989-01-17

Rademaker, Charles A.

Office supplies; artists and teachers materials

Teaching material

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

D21 59

Patent

active

D02994739

REFERENCES:
patent: D234360 (1975-02-01), Duncan
patent: D265571 (1982-07-01), Nagel
patent: 3339296 (1967-09-01), Chuy
patent: 3417490 (1968-12-01), Chuy et al.
patent: 3562923 (1971-02-01), Chuy et al.

Affiliated with

Also associated with

Rating

Educational toy viewing 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 Educational toy viewing device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Educational toy viewing device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2409201