Inventor

William L. Parish, Jr.

Inventor

Maplewood, MN, US

Overview

14→

Patents

1998–2021

Patent span

Performing operations

Primary field (CPC B)

Patents· 14 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

Y10Tprimary

Y10TTechnical subjects covered by former us classification18%

A61FFilters implantable into blood vessels10%

B29CShaping or joining of plastics10%

B24BMachines, devices, or processes for grinding or polishing9%

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. inserts9%

C09JAdhesives9%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form7%

C08LCompositions of macromolecular compounds7%

G10KSound-producing devices7%

H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers7%

PatentTitleYear

11,071,974Composition, method and apparatus for sulfite removal from beverages2021 9,902,127'Foam cushion for headphones'2018 9,555,598'Foam cushion for headphones'2017 9,254,227'Foam cushion for headphones'2016 8,960,366'Foam cushion for headphones'2015 8,746,397'Foam cushion for headphones'2014 8,327,973'Foam compositions with enhanced sound attenuation'2012 7,600,604'User disposable member for use within the ear canal and methods for manufacturing the same'2009 6,149,750'Lens blank surface protection film'2000 6,036,313'Thermoplastic lens blocking material'2000 5,919,563'Conformable tape for bonding a thermoplastic lens blocking material'1999 5,827,390'Method of holding an ophthalmic lens blank'1998 5,763,075'Polycaprolactone lens blocking material'1998 5,754,269'Thermoplastic lens blocking material'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–1999Patents assigned to MINNESOTA MINING & MFG (4)· patent assignee history

1998–2021Based in Maplewood, MN, US· patent location history

2000Patents assigned to 3M INNOVATIVE PROPERTIES CO (2)· patent assignee history

2009–2018Patents assigned to HEARING COMPONENTS INC (7)· patent assignee history

2012Patents assigned to KOLPE VASANT V (1)· patent assignee history

2021Patents assigned to BABCOCK MARTIN (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HEARING COMPONENTS INC	7	2009–2018
MINNESOTA MINING & MFG	4	1998–1999
3M INNOVATIVE PROPERTIES CO	2	2000
BABCOCK MARTIN	1	2021
KOLPE VASANT V	1	2012

Locations

Location	Patents	Span
Maplewood, Minnesota, US	14	1998–2021