Inventor
Richard W. Hemmeter
Inventor
Naperville, IL, US
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Mprimary
H04MTelephonic communication43%
H04QSelecting36%
G06FElectric digital data processing7%
H04LTransmission of digital information, e.g. telegraphic communication7%
H05KPrinted circuits7%
PatentTitleYear
7,050,553'Communication device that provides enhanced services'20067,003,377'Controlling cooling air intake for air cooled equipment'20065,185,781'Automation of telephone operator assistance calls'19935,181,237'Automation of telephone operator assistance calls'19935,163,083'Automation of telephone operator assistance calls'19924,899,375'More efficient call handling for operator assistance calls'19904,620,066'Method and apparatus for sharing operators among assistance systems'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–1993Patents assigned to AT & T BELL LAB (4)· patent assignee history
1986–2006Based in Naperville, IL, US· patent location history
1990Patents assigned to AMERICAN TELEPHONE & TELEGRAPH (1)· patent assignee history
2006Patents assigned to LUCENT TECHNOLOGIES INC (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AT & T BELL LAB | 4 | 1986–1993 |
| LUCENT TECHNOLOGIES INC | 2 | 2006 |
| AMERICAN TELEPHONE & TELEGRAPH | 1 | 1990 |
Locations
| Location | Patents | Span |
|---|---|---|
| Naperville, Illinois, US | 7 | 1986–2006 |