Inventor

David Leo Wright Hall

Inventor

Berkeley, CA, US

Overview

4→

Patents

2015–2021

Patent span

Physics

Primary field (CPC G)

Patents· 4 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G10Lprimary

G10LSpeech analysis techniques or speech synthesis27%

G06FElectric digital data processing18%

A44BButtons, pins, buckles, slide fasteners, or the like9%

B26DCutting9%

B26FPerforating9%

B31BMaking containers of paper, cardboard or material worked in a manner analogous to paper9%

B65DContainers for storage or transport of articles or materials, e.g. bags, barrels, bottles, boxes, cans, cartons, crates, drums, jars, tanks, hoppers, forwarding containers9%

Y10TTechnical subjects covered by former us classification9%

PatentTitleYear

11,133,001Generating dialogue events for natural language system2021 11,132,499Robust expandable dialogue system2021 11,106,536Error recovery for conversational systems2021 9,193,505'Reclosable package or bag with audible reclosure'2015

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2015Patents assigned to MINIGRIP LLC (1)· patent assignee history

2015Based in San Antonio, TX, US· patent location history

2021Patents assigned to MICROSOFT TECHNOLOGY LICENSING LLC (3)· patent assignee history

2021Based in Berkeley, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MICROSOFT TECHNOLOGY LICENSING LLC	3	2021
MINIGRIP LLC	1	2015

Locations

Location	Patents	Span
Berkeley, California, US	3	2021
San Antonio, Texas, US	1	2015