Inventor
John E. Siefers
Inventor
Fort Collins, CO, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Rprimary
G01RMeasuring electric variables77%
G06FElectric digital data processing8%
H04LTransmission of digital information, e.g. telegraphic communication8%
H04MTelephonic communication8%
PatentTitleYear
7,127,652'X-tree test method and apparatus in a multiplexed digital system'20067,009,381'Adapter method and apparatus for interfacing a tester with a device under test'20066,894,479'Connector cable and method for probing vacuum-sealable electronic nodes of an electrical testing device'20056,828,778'Circuit board coupon tester'20046,801,863'Method for detecting the connectivity of electrical conductors during automated test using longitudinal balance measurements'20046,664,778'Circuit board coupon tester'20035,243,273'General purpose, reconfigurable system for processing serial bit streams'19935,150,048'General purpose, reconfigurable system for processing serial bit streams'19924,967,412'Serial data frame generator for testing telecommunications circuits'19904,912,403'Apparatus and method for isolating and connecting two electrical circuits'19904,849,691'Apparatus and method for isolating and connecting two electrical circuits'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1993Patents assigned to HEWLETT PACKARD CO (5)· patent assignee history
1989–2004Based in Fort Collins, CO, US· patent location history
2003–2006Patents assigned to AGILENT TECHNOLOGIES INC (6)· patent assignee history
2004–2006Based in Loveland, CO, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AGILENT TECHNOLOGIES INC | 6 | 2003–2006 |
| HEWLETT PACKARD CO | 5 | 1989–1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Fort Collins, CO, US | 7 | 1989–2004 |
| Loveland, CO, US | 4 | 2004–2006 |