Inventor
Thomas F. Callahan
Inventor
Spotsylvania, VA, US
Overview
Patents· 19 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Bprimary
A61BDiagnosis23%
G06FElectric digital data processing13%
H04RLoudspeakers, microphones, gramophone pick-ups or like acoustic electromechanical transducers10%
H01RElectrically-conductive connections7%
H04BTransmission7%
A47CChairs3%
B60KArrangement or mounting of propulsion units or of transmissions in vehicles3%
B62HCycle stands3%
B62JCycle saddles or seats3%
B62KCycles3%
PatentTitleYear
10,943,189System and method for reserving and renting seating202110,377,438Bicycle frame with integrated accessories201910,303,494System and method for RF digitization and collection20199,621,201'Systems and methods for emulating an interference environment'20179,356,642'Systems and methods for managing reconfigurable integrated circuit applications on a radiofrequency transceiver device'20169,348,608'System and method for registering application and application transforms on a radiofrequency digitization and collection device'20168,982,971'System for spectrum sensing of multi-carrier signals with equidistant sub-carriers'20158,976,906'Method for spectrum sensing of multi-carrier signals with equidistant sub-carriers'20158,763,004'System and method for RF digitization and collection'20148,080,013'Method and apparatus for fixing a graft in a bone tunnel'20117,594,917'Method and apparatus for fixing a graft in a bone tunnel'20097,162,039'Noise barrier apparatus having acoustic wave damping cushions'20076,438,238'Stethoscope'20026,163,615'Circumaural ear cup audio seal for use in connection with a headset, ear defender, helmet and the like'20005,917,918'In-ear-canal audio receiver and stethoscope having the same'19995,578,799'Patient-to-transducer interface device'19965,467,775'Modular auscultation sensor and telemetry system'19955,119,457'High-performance electric power cable and connector system'19924,898,544'Flat cable support comb'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–1999Patents assigned to UNIV RESEARCH ENGINEERS & ASSO (3)· patent assignee history
1992–1996Based in Maynard, MA, US· patent location history
2000–2007Based in Grantham, NH, US· patent location history
2009–2011Based in South Hadley, MA, US· patent location history
2011–2021Patents assigned to CALLAHAN THOMAS (2)· patent assignee history
2014–2017Patents assigned to QRC INC (6)· patent assignee history
2014–2019Based in Spotsylvania, VA, US· patent location history
2015Patents assigned to CALLAHAN III THOMAS F (2)· patent assignee history
2015Patents assigned to PERIC SINISA (2)· patent assignee history
2015Based in Fredericksburg, VA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| QRC INC | 6 | 2014–2017 |
| UNIV RESEARCH ENGINEERS & ASSO | 3 | 1992–1999 |
| CALLAHAN III THOMAS Fself | 2 | 2015 |
| CALLAHAN THOMASself | 2 | 2011–2021 |
| PERIC SINISA | 2 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Spotsylvania, Virginia, US | 5 | 2014–2019 |
| Grantham, NH, US | 3 | 2000–2007 |
| Maynard, Massachusetts, US | 3 | 1992–1996 |
| Fredericksburg, Virginia, US | 2 | 2015 |
| South Hadley, Massachusetts, US | 2 | 2009–2011 |