Natural Science Industries, Ltd.

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
B66B ELEVATORS; ESCALATORS OR MOVING WALKWAYS 127

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6739432 Inspection opening in an elevator carJun 14, 02May 25, 04[B66B]
D431844 Toy orrery/planetariumMar 03, 99Oct 10, 00[2101]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6299451 Time teaching globeExpiredJun 19, 00Oct 09, 01[G09B]
D373295 Tool holderExpiredNov 01, 94Sep 03, 96[]

Top Inventors for This Owner

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