Inventor
Arnold Williams
Inventor
Boulder, CO, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
LOC08primary
LOC0825%
G01NInvestigating or analysing materials by determining their chemical or physical properties17%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems8%
H03FAmplifiers8%
H03GControl of amplification8%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers8%
H04SStereophonic systems8%
H05BElectric heating8%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications8%
PatentTitleYear
11,121,620Multi-channel cinema amplifier with power-sharing, messaging and multi-phase power supply2021D0910395Pliers20217,006,218'Low temperature adaptor for evaporative light detection'2006D0475278'Sock hook'2003D0457808'Sock hook'20026,362,880'Low temperature adaptor for evaporative light detection'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2006Patents assigned to ALLTECH ASSOCIATES INC (2)· patent assignee history
2002–2003Patents assigned to CHRISTMAS COVE DESIGNS INC (2)· patent assignee history
2002–2006Based in Boulder, CO, US· patent location history
2002–2003Based in Boxborough, MA, US· patent location history
2021Patents assigned to DOLBY LABORATORIES LICENSING CORP (1)· patent assignee history
2021Patents assigned to MILWAUKEE ELECTRIC TOOL CORP (1)· patent assignee history
2021Based in San Francisco, CA, US· patent location history
2021Based in Milwaukee, WI, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ALLTECH ASSOCIATES INC | 2 | 2002–2006 |
| CHRISTMAS COVE DESIGNS INC | 2 | 2002–2003 |
| DOLBY LABORATORIES LICENSING CORP | 1 | 2021 |
| MILWAUKEE ELECTRIC TOOL CORP | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Boulder, CO, US | 2 | 2002–2006 |
| Boxborough, Massachusetts, US | 2 | 2002–2003 |
| San Francisco, California, US | 1 | 2021 |
| Milwaukee, WI, US | 1 | 2021 |