Membership
Tour
Register
Log in
Douglas M. Clifford
Follow
Person
Loveland, CO, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Programmable calculator including means for digitizing the position...
Patent number
4,566,072
Issue date
Jan 21, 1986
Hewlett-Packard Company
Alan C. Mortensen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Programmable calculator including means for automatically processin...
Patent number
4,330,839
Issue date
May 18, 1982
Hewlett-Packard Company
Bradley W. Miller
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Adaptable programmed calculator including a percent keyboard operator
Patent number
4,181,966
Issue date
Jan 1, 1980
Hewlett-Packard Company
Freddie W. Wenninger
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Adaptable programmed calculator including automatic decimal point p...
Patent number
4,156,921
Issue date
May 29, 1979
Hewlett-Packard Company
Freddie W. Wenninger
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Programmable calculator employing a read-write memory having a mova...
Patent number
4,089,059
Issue date
May 9, 1978
Hewlett-Packard Company
Bradley W. Miller
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Adaptable programmed calculator having provision for plug-in keyboa...
Patent number
3,971,925
Issue date
Jul 27, 1976
Hewlett-Packard Company
Freddie W. Wenninger
G06 - COMPUTING CALCULATING COUNTING