HEMLOCK SEMICONDUCTOR CORPORATION
USPTO (United States) · Serial 73613349
- Status
- registered
- Status updated
- 3 January 2018
- Filing date
- 6 August 1986
- Registration date
- 8 December 1987
- Nice classification
- 1
- Owner
- DDP SPECIALTY ELECTRONIC MATERIALS US 9, LLC
- Owner country
- US
- Raw status code
- 800
As filed by US
Authoritative source
The official US trademark record is at USPTO TSDR (serial 73613349) ↗. Where our data differs from the USPTO record, theirs is correct.
See methodology for refresh cadence + status normalisation. See sources for licensing.