LexDanaLexDanabeta
Inventor

Kevin J. Hummel

Inventor
Powassan, CA

Overview

1→
Patents
1991
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 1 as inventor

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

E21Bprimary
E21BEarth or rock drilling50%
F16JPistons50%
PatentTitleYear
5,058,903'Drill rod seal'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991Patents assigned to REDPATH RAISEBORING LTD (1)· patent assignee history
1991Based in Powassan, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
REDPATH RAISEBORING LTD11991
Locations
LocationPatentsSpan
Powassan, CA11991