Inventor
Kalvin Watson
Inventor
Chicago, IL, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G08Bprimary
G08BSignalling systems, e.g. personal calling systems38%
G11BInformation storage based on relative movement between record carrier and transducer38%
LOC1025%
PatentTitleYear
7,973,669'Apparatus and method for wireless location sensing'2011D0596974'Sounder base housing'20096,521,907'Miniature photoelectric sensing chamber'2003D0433953'Housing'20006,089,384'Compact disc holder'20006,041,946'Compact disc holder'20005,857,575'Compact disc holder'19995,578,996'Long life detector'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996Patents assigned to BRK BRANDS INC (1)· patent assignee history
1996–2011Based in Chicago, IL, US· patent location history
2000–2003Patents assigned to PITTWAY CORP (2)· patent assignee history
2009–2011Patents assigned to HONEYWELL INT INC (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HONEYWELL INT INC | 2 | 2009–2011 |
| PITTWAY CORP | 2 | 2000–2003 |
| BRK BRANDS INC | 1 | 1996 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chicago, Illinois, US | 8 | 1996–2011 |