Owl 1990 Trust

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E04B GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS 245
 
  
 
E03F SEWERS; CESSPOOLS111

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5195284 Drywell cover and drywellJun 15, 92Mar 23, 93[E04B]
5131196 Drywell cover and drywellFeb 26, 91Jul 21, 92[E04B, E03F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
D350814 Drywell coverExpiredJun 16, 92Sep 20, 94[]
D350815 Combined drywell and storm drainExpiredJun 16, 92Sep 20, 94[]
D350816 Combined drywell cover and drain insertExpiredJun 16, 92Sep 20, 94[]
5249885 Method or use of composite drywellExpiredFeb 10, 92Oct 05, 93[E02B]
5086594 Composite drywell, drywell system and methodExpiredNov 28, 90Feb 11, 92[E02B, E03F]

Top Inventors for This Owner

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