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Inventor

Donald W. Petersen

Inventor
Tehachapi, CA, US

Overview

6→
Patents
1983–2008
Patent span
Human necessities
Primary field (CPC A)

Patents· 6 as inventor

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

A61Fprimary
A61FFilters implantable into blood vessels27%
A61LMethods or apparatus for sterilising materials or objects in general27%
A61KPreparations for medical, dental or toiletry purposes18%
C06BExplosives or thermic compositions18%
F42BExplosive charges, e.g. for blasting, fireworks, ammunition9%
PatentTitleYear
7,371,409'Bone graft substitute composition'20087,371,408'Bone graft substitute composition'20087,371,410'Bone graft substitute composition'20084,913,054'Projectile delivery apparatus'19904,402,774'Pyrotechnic composition'19834,381,207'Pyrotechnic composition'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983Patents assigned to HI SHEAR CORP (2)· patent assignee history
1983–1990Based in Tehachapi, CA, US· patent location history
1990Patents assigned to DYNAFORE CORP (1)· patent assignee history
2008Patents assigned to WRIGHT MEDICAL TECH INC (3)· patent assignee history
2008Based in Bessemer, AL, US· patent location history
2008Based in Lakeland, TN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WRIGHT MEDICAL TECH INC32008
HI SHEAR CORP21983
DYNAFORE CORP11990
Locations
LocationPatentsSpan
Tehachapi, California, US31983–1990
Bessemer, AL, US22008
Lakeland, TN, US12008