Inventor
David F. Collins
Inventor
St. Peters, PA, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H03Kprimary
H03KPulse technique44%
A61HPhysical therapy apparatus, e.g. devices for locating or stimulating reflex points in the body11%
A61NElectrotherapy11%
H01LSemiconductor devices11%
H10DInorganic electric semiconductor devices11%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1011%
PatentTitleYear
10,978,452Structure and method of latchup robustness with placement of through wafer via within CMOS circuitry20219,770,587'Neuromuscular stimulation system and method'20175,514,979'Methods and apparatus for dynamically reducing ringing of driver output signal'19965,506,521'ECL driver with adjustable rise and fall times, and method therefor'19965,485,107'Backplane driver circuit'19965,321,320'ECL driver with adjustable rise and fall times, and method therefor'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994–1996Patents assigned to UNISYS CORP (4)· patent assignee history
1994–1996Based in St. Peters, PA, US· patent location history
1996Based in Harmonyville, PA, US· patent location history
2017Patents assigned to KESSLER FOUND INC (1)· patent assignee history
2017Patents assigned to THE GOVERNORS OF THE UNIV (1)· patent assignee history
2017Patents assigned to UNIV ALBERTA (1)· patent assignee history
2017Based in Edmonton, CA· patent location history
2021Patents assigned to IBM (1)· patent assignee history
2021Based in Williston, VT, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| UNISYS CORP | 4 | 1994–1996 |
| IBM | 1 | 2021 |
| KESSLER FOUND INC | 1 | 2017 |
| THE GOVERNORS OF THE UNIV | 1 | 2017 |
| UNIV ALBERTA | 1 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| St. Peters, Pennsylvania, US | 3 | 1994–1996 |
| Williston, VT, US | 1 | 2021 |
| Edmonton, CA | 1 | 2017 |
| Harmonyville, Pennsylvania, US | 1 | 1996 |