Inventor
Lawrence R. Tracy
Inventor
Auburn, CA, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G08Bprimary
G08BSignalling systems, e.g. personal calling systems80%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
PatentTitleYear
6,163,257'Security system having event detectors and keypads with integral monitor'20005,670,943'Pet immune intruder detection'19975,499,012'Intrusion detector test circuit which automatically disables a detected-event indicator'19965,491,467'Location independent intrusion detection system'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996Patents assigned to C & K SYSTEMS INC (2)· patent assignee history
1996–2000Based in Auburn, CA, US· patent location history
1997–2000Patents assigned to DETECTION SYSTEMS INC (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| C & K SYSTEMS INC | 2 | 1996 |
| DETECTION SYSTEMS INC | 2 | 1997–2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Auburn, California, US | 4 | 1996–2000 |