LexDanaLexDanabeta
Inventor

Frank E. Hill

Inventor
Simi Valley, CA, US

Overview

3→
Patents
1976–2000
Patent span
Human necessities
Primary field (CPC A)

Patents· 3 as inventor

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

A63Bprimary
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing67%
B60TVehicle brake control systems or parts thereof33%
PatentTitleYear
6,102,021'Baseball inserter for pitching machines'20006,026,798'Professional batting training machine'20003,981,146'Variable ratio master cylinder'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to BORG WARNER (1)· patent assignee history
1976Based in Warren, MI, US· patent location history
2000Based in Simi Valley, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BORG WARNER11976
Locations
LocationPatentsSpan
Simi Valley, California, US22000
Warren, MI, US11976