Inventor

David C. Hamilton

Inventor

New Castle, PA, US

Overview

1980–2012

Patent span

Electricity

Primary field (CPC H)

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

A61Cprimary

A61CDentistry13%

B23KSoldering or unsoldering7%

B29CShaping or joining of plastics7%

F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges7%

G06KGraphical data reading7%

H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light7%

H02KDynamo-electric machines7%

H04LTransmission of digital information, e.g. telegraphic communication7%

H04MTelephonic communication7%

H04NPictorial communication, e.g. television7%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1980Patents assigned to RAMSEY CONTROLS INC (2)· patent assignee history

1980Based in Ridgewood, NJ, US· patent location history

1982–1987Based in Cottingham, GB· patent location history

1992Patents assigned to BOEING CO (1)· patent assignee history

2000Patents assigned to ENERCON IND CORP (1)· patent assignee history

2000Based in Grafton, WI, US· patent location history

2001–2002Based in New Castle, PA, US· patent location history

2002Patents assigned to DENTSPLY RES & DEV (1)· patent assignee history

2012Patents assigned to CISCO TECH INC (1)· patent assignee history

2012Based in Hamilton, NZ· patent location history

Assignee and location history derived from the patent record.

Assignees

Locations