BURIAN-ALLEN ERG ELECTRODE
USPTO (United States) · Serial 77639550
- Status
- registered
- Status updated
- 10 April 2020
- Filing date
- 24 December 2008
- Registration date
- 6 April 2010
- Nice classification
- 10
- Owner
- Hansen Ophthalmic Development Laboratory
- Owner country
- US
- Raw status code
- 800
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 77639550) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.