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Inventor

Roger Sramek

Inventor
Sausalito, CA, US

Overview

10→
Patents
1998–2020
Patent span
Human necessities
Primary field (CPC A)

Patents· 10 as inventor

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

A47Cprimary
A47CChairs21%
A47GHousehold or table equipment21%
A61BDiagnosis7%
A61CDentistry7%
A61KPreparations for medical, dental or toiletry purposes7%
C10BDestructive distillation of carbonaceous materials for production of gas, coke, tar, or similar materials7%
C12NMicroorganisms or enzymes7%
E21BEarth or rock drilling7%
LOC067%
Y02PClimate change mitigation technologies in the production or processing of goods7%
PatentTitleYear
10,709,256Efficient mattress having low pressure and alignment20208,006,758'Waste material processing for oil recovery'20117,036,172'Bed having low body pressure and alignment'20066,849,051'Devices and methods for extraction of bone marrow'20056,807,698'Bed having low body pressure and alignment'20046,767,740'Stem cell and dental pulp harvesting method and apparatus'20046,006,380'Adjustable cervical pillow with depressions for a user\'s ear'1999D0416742'Adjustable pillow'19995,926,880'Adjustable cervical pillow with depressions for a user\'s ears'19995,781,947'Adjustable cervical pillow with depressions for a user\'s ears'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–1999Based in San Francisco, CA, US· patent location history
1999Patents assigned to NUAGES LLC (2)· patent assignee history
1999Patents assigned to LES NUAGES LLC (1)· patent assignee history
2004–2006Based in Sausalito, CA, US· patent location history
2006Patents assigned to SLEEPADVANTAGE LC (1)· patent assignee history
2011Patents assigned to REYNOLDS THOMAS A (1)· patent assignee history
2011–2020Based in Tiburon, CA, US· patent location history
2020Patents assigned to LEVEL SLEEP LLC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NUAGES LLC21999
LES NUAGES LLC11999
LEVEL SLEEP LLC12020
REYNOLDS THOMAS A12011
SLEEPADVANTAGE LC12006
Locations
LocationPatentsSpan
Sausalito, California, US42004–2006
San Francisco, California, US41998–1999
Tiburon, California, US22011–2020