AT

Allan Tsai

UN Uniroyal: 1 patents #69 of 180Top 40%
Overall (All Time): #759,087 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
6592219 Clamping tool for use in the maintenance of frameless eyeglasses 2003-07-15
6145655 Lens cleaning kit 2000-11-14
5240105 Multi-purpose eyeglasses pouch 1993-08-31
4937920 Attachment device 1990-07-03
4927284 Pen-like eyeglass cleaner 1990-05-22
4818134 Cleaning pen for cleaning spectacle lenses 1989-04-04
4319033 Method of making certain 2,3-dihydro-1,4-dithiins Duncan D. Lennox, Arthur D. Brewer 1982-03-09