Inventor
David P. Perrin
Inventor
Charlotte, VT, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F41Aprimary
F41AFunctional features or details common to both smallarms and ordnance, e.g. cannons25%
A61BDiagnosis8%
A61FFilters implantable into blood vessels8%
A61LMethods or apparatus for sterilising materials or objects in general8%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling8%
B29CShaping or joining of plastics8%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts8%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form8%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%
C23CCoating metallic material8%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–1994Patents assigned to GEN ELECTRIC (3)· patent assignee history
1986–1987Based in Charlotte, VT, US· patent location history
1994Based in Hinesburg, VT, US· patent location history
2021Patents assigned to BRIGHAM & WOMENS HOSPITAL INC (1)· patent assignee history
2021Patents assigned to CHILDRENS MEDICAL CENTER (1)· patent assignee history
2021Based in Boston, MA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN ELECTRIC | 3 | 1986–1994 |
| BRIGHAM & WOMENS HOSPITAL INC | 1 | 2021 |
| CHILDRENS MEDICAL CENTER | 1 | 2021 |
Locations
| Location | Patents | Span |
|---|---|---|
| Charlotte, VT, US | 2 | 1986–1987 |
| Boston, Massachusetts, US | 1 | 2021 |
| Hinesburg, VT, US | 1 | 1994 |