Inventor

Calvin Bruce

Inventor

Tucson, AZ, US

Overview

2→

Patents

1982–2000

Patent span

Mechanical engineering

Primary field (CPC F)

Patents· 2 as inventor

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

C04Bprimary

C04BLime, magnesia20%

F02FCylinders, pistons or casings, for combustion engines20%

F05CIndexing scheme relating to materials, material properties or material characteristics for machines, engines or pumps other than non-positive-displacement machines or engines20%

G11BInformation storage based on relative movement between record carrier and transducer20%

H01FMagnets20%

PatentTitleYear

6,051,167'Process of making carbon-carbon composites'2000 4,333,961'Preparation of thin, aligned magnetic coatings'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982Patents assigned to IBM (1)· patent assignee history

1982Based in San Jose, CA, US· patent location history

2000Patents assigned to MAT & ELECTROCHEM RES CORP (1)· patent assignee history

2000Based in Tucson, AZ, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
IBM	1	1982
MAT & ELECTROCHEM RES CORP	1	2000

Locations

Location	Patents	Span
Tucson, AZ, US	1	2000
San Jose, California, US	1	1982