Drilldown: Patents

Jump to navigation Jump to search
Patents > Inventor country: US & Applicant firm: None & Tech fields : Airship or LTA & Patent agent: None & Number of diagram pages: 1-2

Use the filters below to narrow your results.

Office:
Inventors:
Ralph Hazlett Upson (3) · William Randolph Smith (2) · Joel Trout Rice (2) · Joseph Allison Steinmetz (2) · Thomas Mortimer Crepar (2) · Estanislao Caballero de los Olivos (2)
Inventor country: (Click arrow to add another value)
Applicant person:
None (20) · William Randolph Smith (2) · Joseph Allison Steinmetz (2) · Estanislao Caballero de los Olivos (2)
Applicant firm: (Click arrow to add another value)
Applicant type:
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Granted:
Related to aircraft:
Patent agent: (Click arrow to add another value)
National tech categories:
DE 77 (8) · None (7) · USPC 244/30 (7) · USPC 244/97 (4) · USPC 244/99 (4) · USPC 244/73R (3) · USPC 244/60 (3) · USPC 244/51 (3) · USPC 244/28 (2) · USPC 244/31 (2) · USPC 244/26 (2) · USPC 244/25 (2) · USPC 244/24 (2) · USPC 244/62 (2) · USPC 244/96 (2) · USPC 244/72 (2)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

Showing below up to 87 results in range #1 to #87.

View (previous 250 | next 250) (20 | 50 | 100 | 250 | 500)


View (previous 250 | next 250) (20 | 50 | 100 | 250 | 500)