Inventor
Daniel R. Asmussen
Inventor
Kirkland, WA, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Qprimary
H04QSelecting43%
G08BSignalling systems, e.g. personal calling systems14%
H03MCoding14%
H04LTransmission of digital information, e.g. telegraphic communication14%
H04MTelephonic communication14%
PatentTitleYear
5,682,157'Frequency-alternating synchronized infrared'19975,051,723'Signalling system with ambient condition reference monitoring'19913,988,687'Step-servoed tone detector'19763,959,598'Identification forwarding circuit for use with tone-to-pulse converters'19763,946,163'Port multiplexer for telephone signal processing systems'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976Patents assigned to TEL TONE CORP (3)· patent assignee history
1976–1997Based in Kirkland, WA, US· patent location history
1991Patents assigned to LONG GEORGE (1)· patent assignee history
1997Patents assigned to FASIRAND CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TEL TONE CORP | 3 | 1976 |
| FASIRAND CORP | 1 | 1997 |
| LONG GEORGE | 1 | 1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kirkland, Washington, US | 5 | 1976–1997 |