PH

Peter Chung Man Ho

Overall (All Time): #1,440,530 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11150434 Lens breech locking device Wilfried Bitter 2021-10-19
9977313 Lens adapter and its back-locking lens fixing device 2018-05-22
6777706 Optical devices Nir Tessler, Richard Henry Friend 2004-08-17