LexDanaLexDanabeta
Inventor

Stanard R. Funsten

Inventor
San Marino, CA, US

Overview

2→
Patents
1978
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 2 as inventor

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

E21Bprimary
E21BEarth or rock drilling50%
E21DShafts25%
F16DCouplings for transmitting rotation25%
PatentTitleYear
4,114,698'Method and apparatus for tunneling upwardly'19784,102,411'Drill stem for drilling upwardly'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to SMITH INTERNATIONAL (2)· patent assignee history
1978Based in San Marino, CA, US· patent location history
1978Based in Corona Del Mar, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SMITH INTERNATIONAL21978
Locations
LocationPatentsSpan
San Marino, California, US11978
Corona Del Mar, California, US11978