Drilldown: Patents
Jump to navigation
Jump to search
Choose a table:
- Airplane (18)
- Airship (15)
- Companies (475)
- Event (141)
- Letters (683)
- Organizations (965)
- Patents (17500)
- Person (2096)
- Publications (24552)
- Techtypes (2366)
Patents > Year granted:
1920 - 1929
& National tech categories :
USPC 244/30 or
None
& IPCs:
None
& CPCs:
CPC B64C3/00
Use the filters below to narrow your results.
None (4) ·
Alliott Verdon Roe (1) ·
Alphonse Binet (1) ·
Charles Ward HALL (1) ·
Edmund B Carns (2) ·
Francis J PLYM (2) ·
Harris G Hooper (3) ·
Hector MACLEOD (1) ·
Henry L Haskell (1) ·
James Jacob Mayrow (2) ·
James Vernon Martin (1) ·
John W RAPP (2) ·
Suplee Henry Harrison (1) ·
Thomas J KEHOE (1)
None (2) ·
Alliott Verdon Roe (1) ·
Alphonse Binet (1) ·
Chessborough Mackenzie-Kennedy (1) ·
DODGE W (1) ·
Edmund B Carns (2) ·
HALL Charles S (1) ·
Harris G Hooper (3) ·
HASKELITE (1) ·
James Jacob Mayrow (2) ·
James Vernon Martin (1) ·
John William Rapp (1) ·
KAWNEER (3) ·
NIEUPORT (1) ·
SAID RAPP (1) ·
WILLYS OVERLAND (1)
18862317 (1) ·
19204417 (1) ·
19264817 (1) ·
19561817 (1) ·
19802717 (1) ·
19820917 (1) ·
20332017 (1) ·
20460217 (1) ·
20554717 (1) ·
20564317 (1) ·
20935517 (1) ·
21278518 (1) ·
23789318 (1) ·
25471218 (1) ·
25778118 (1) ·
26400718 (1) ·
498984D (1) ·
502632D (1) ·
503900D (1) ·
505393D (1) ·
521133D (1) ·
525825D (1) ·
814118 (1)
January 1920 (1) ·
February 1920 (1) ·
April 1920 (1) ·
May 1920 (2) ·
June 1920 (2) ·
July 1920 (2) ·
August 1920 (2) ·
September 1920 (2) ·
October 1920 (1) ·
December 1920 (1) ·
March 1921 (1) ·
June 1921 (1) ·
July 1921 (1) ·
September 1921 (1) ·
November 1921 (1) ·
December 1921 (1) ·
June 1922 (1) ·
October 1922 (1)
Showing below up to 23 results in range #1 to #23.
View (previous 250 | next 250) (20 | 50 | 100 | 250 | 500)
- Main
- Timeline: Year filed
- Timeline: Year granted
- Timeline: Filing date
- Timeline: Full specification filed date
- Timeline: Grant date
- Timeline: Publication date
- Timeline: Family year
- Calendar: Year filed
- Calendar: Year granted
- Calendar: Full specification filed date
- Calendar: Grant date
- Calendar: Family year