Inventor
Sidney A. Heenan
Inventor
Park Ridge, IL, US
Overview
Patents· 27 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E01Fprimary
E01FAdditional work, such as equipping roads or the construction of platforms, helicopter landing stages, signs, snow fences, or the like27%
G02BOptical elements, systems or apparatus13%
B29CShaping or joining of plastics12%
B29DProducing particular articles from plastics or from substances in a plastic state12%
Y10TTechnical subjects covered by former us classification12%
B29LIndexing scheme associated with subclass b29c, relating to particular articles8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form3%
E01CConstruction of, or surfaces for, roads, sports grounds, or the like3%
B62JCycle saddles or seats2%
PatentTitleYear
RE040700'Retroreflective articles having microcubes, and tools and methods for forming microcubes'20097,427,139'Retroreflector with controlled divergence made by the method of groove undulation'2008RE040455'Retroreflective articles having microcubes, and tools and methods for forming microcubes'20086,984,047'Retroreflector with controlled divergence made by the method of groove undulation'20066,767,102'Retroreflective articles having microcubes, and tools and methods for forming microcubes'20046,109,821'Roadway marker'20006,102,612'Controlled tire impact pavement marker'20006,015,214'Retroreflective articles having microcubes, and tools and methods for forming microcubes'20005,425,596'Pavement marker'19955,340,231'Pavement marker'19945,277,513'Snowplowable pavement marker using different materials'19944,854,768'Depressible roadway marker'19894,729,690'Self-righting highway marker support and method for installing same'19884,596,622'Method for making an abrasion-resistant reflective marker'19864,505,590'Mobile testing apparatus'19854,486,363'Method and apparatus for embossing a precision optical pattern in a resinous sheet'19844,340,319'Pavement marker'1982D0257586'Highway delineator'19804,232,979'Pavement marker'19804,227,772'Pavement marker'19804,224,002'Highway delineator'19804,208,090'Reflector structure'19804,195,945'Snowplowable pavement marker and base member therefor'19804,174,184'Snowplowable pavement marker and method and apparatus for installing same'19794,147,447'Snowplowable pavement marker and base member therefor'1979RE029396'Pin having nonaligned cube axis and pin axis and bundle of such pins'19773,947,070'Bicycle wheel reflector'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976Patents assigned to SCHWINN BICYCLE CO (1)· patent assignee history
1976–2009Based in Park Ridge, IL, US· patent location history
1979–1989Patents assigned to AMERACE CORP (14)· patent assignee history
1994–2000Patents assigned to STIMSONITE CORP (5)· patent assignee history
2004–2009Patents assigned to AVERY DENNISON CORP (5)· patent assignee history
2008Based in Northbrook, IL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AMERACE CORP | 14 | 1979–1989 |
| AVERY DENNISON CORP | 5 | 2004–2009 |
| STIMSONITE CORP | 5 | 1994–2000 |
| SCHWINN BICYCLE CO | 1 | 1976 |
Locations
| Location | Patents | Span |
|---|---|---|
| Park Ridge, Illinois, US | 26 | 1976–2009 |
| Northbrook, Illinois, US | 1 | 2008 |