Inventor
Lee A. Pavelka
Inventor
Cottage Grove, MN, US
Overview
Patents· 28 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Tprimary
Y10TTechnical subjects covered by former us classification16%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients14%
G02BOptical elements, systems or apparatus11%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments10%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
B44FSpecial designs or pictures5%
C08LCompositions of macromolecular compounds5%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%
C08JWorking-up4%
PatentTitleYear
10,598,823Films including triazine-based ultraviolet absorbers202010,551,530Prismatic retroreflective sheeting including infrared absorbing material20209,658,363'Films including triazine-based ultraviolet absorbers'20177,468,406'Stabilization of fluorescent dyes in vinyl articles using hindered amine light stabilizers'20087,449,514'Stabilization of fluorescent dyes in vinyl articles using hindered amine light stabilizers'20086,841,236'Articles containing thioxanthone dyes'20056,623,824'Method for making a microreplicated article using a substrate comprising a syndiotactic vinyl aromatic polymer'20036,572,977'Fluorescent red composition and articles made therefrom'20036,533,961'Durable fluorescent organic pigments and methods of making'20036,526,588'Stabilization of fluorescent dyes in vinyl chloride articles using hindered amine light stabilizers'20036,498,218'Enhanced dye durability through controlled dye environment'20026,406,798'Stabilization of fluorescent dyes in vinyl articles using hindered amine light stabilizers'20026,395,844'Enhanced dye durability through controlled dye environment'20026,326,072'Release liner incorporating syndiotactic vinyl aromatic polymer'20016,312,132'Fluorescent red article and retroreflective article made therefrom'20016,156,436'Use of a crystalline bead bond layer in a retroreflective article'20006,110,566'Stabilization of fluorescent dyes in vinyl articles using hindered amine light stabilizers'20006,001,936'Dye enhanced durability through controlled dye environment'19995,959,775'Urethane/acrylate bead bond for retroreflective articles'19995,920,429'Fluorescent dye blends'19995,816,238'Durable fluorescent solar collectors'19985,754,337'Fluorescent dye blends'19985,700,077'Line light source including fluorescent colorant'19975,674,622'Fluorescent dye blends'19975,672,643'Fluorescent dye blends'19975,605,761'Articles exhibiting durable color containing a polycarbonate, a fluorescent dye and an amine light stabilizer'19975,387,458'Articles exhibiting durable fluorescence with an ultraviolet screening layer'19954,637,950'Delamination-resistant cellular retroreflective sheeting'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1999Patents assigned to MINNESOTA MINING & MFG (9)· patent assignee history
1987–2020Based in Cottage Grove, MN, US· patent location history
1999–2020Patents assigned to 3M INNOVATIVE PROPERTIES CO (19)· patent assignee history
2002Based in St. Paul, MN, US· patent location history
2017Patents assigned to BURNS DAVID M (1)· patent assignee history
2017Patents assigned to MEITZ DAVID W (1)· patent assignee history
2017Patents assigned to OLSON DAVID B (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| 3M INNOVATIVE PROPERTIES CO | 19 | 1999–2020 |
| MINNESOTA MINING & MFG | 9 | 1987–1999 |
| BURNS DAVID M | 1 | 2017 |
| MEITZ DAVID W | 1 | 2017 |
| OLSON DAVID B | 1 | 2017 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cottage Grove, Minnesota, US | 27 | 1987–2020 |
| St. Paul, Minnesota, US | 1 | 2002 |