Inventor
Alexander Chapman
Inventor
Lexington, KY, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Dprimary
G01DMeasuring not specially adapted for a specific variable43%
B41JTypewriters14%
G01NInvestigating or analysing materials by determining their chemical or physical properties14%
H04LTransmission of digital information, e.g. telegraphic communication14%
H04NPictorial communication, e.g. television14%
PatentTitleYear
9,891,156'Method for determining the permeation of a permeant through a membrane'20187,475,117'Two-phase commit electronic mail delivery'20097,391,525'Methods and systems to calibrate media indexing errors in a printing device'20087,126,107'Methods and apparatuses for sensing rotational position of a component in a printing device'20066,624,407'Encoder with mask spacer contacting the encoder film'20036,600,151'Optical encoder assembly with non-engageable encoder housing and receiver plate comprising a through hole and window'2003Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2003–2008Patents assigned to LEXMARK INT INC (4)· patent assignee history
2003–2008Based in Lexington, KY, US· patent location history
2009Patents assigned to TERADATA US INC (1)· patent assignee history
2009Based in Holly Springs, NC, US· patent location history
2018Patents assigned to PARAYTEC LTD (1)· patent assignee history
2018Based in York, GB· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LEXMARK INT INC | 4 | 2003–2008 |
| PARAYTEC LTD | 1 | 2018 |
| TERADATA US INC | 1 | 2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Lexington, KY, US | 4 | 2003–2008 |
| York, GB | 1 | 2018 |
| Holly Springs, NC, US | 1 | 2009 |