Inventor

Richard A. Silbernagel

Inventor
Del City, OK, US

Overview

1→
Patents
1979
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.

E01Cprimary
E01CConstruction of, or surfaces for, roads, sports grounds, or the like100%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1979Patents assigned to CMI CORP (1)· patent assignee history
1979Based in Del City, OK, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CMI CORP11979
Locations
LocationPatentsSpan
Del City, OK, US11979