Material dealing with patents for inventions developed by Ricker.

File — Box: 13, Folder: 6

Staff Only

Scope and Contents note

From the Series:

Notes for papers and lectures, seismic diagrams, correspondence and memoranda, and patents.

Dates

Creation: 1916-1978

Creator

From the Collection: Ricker, Norman Hurd, 1896-1980 (Person)

Access Restrictions

There are no accessrestrictions; this material is open for research. Stored off-site at the Library Service Center. Please request this material via woodson@rice.edu or call 713-348-2586.

Extent

From the Collection: 12 Linear Feet ( (23 boxes))

Language of Materials

From the Collection: English

Additional Description

General Note

Items in folder: Original patent documents for numbers 1934447, 1960027, 1960028, 2089983; Copies of patent documents for numbers 2921525 and 2089983; Copies of patent documents marked, "Plunger Lift," for numbers 1769637, 1844074, 1909119, 1919529, 1836877, 1815364, 1836872, 1784110, 1932479, 1836871, 1836874, 1905058, 1884245, 1836875, 1922396, 1836876, 1836873; Copies of patent documents marked, "Electromagnetic Prospecting," for numbers 1859009, 1934447, 1960027, 1960028; Folder containing copies of patent documents marked, "Seismic," for numbers 1451080 and 1599538; Copies of patent documents marked, "Seismic Prospecting," for numbers 2588291, 2351456, 2354548, 1625625; Copies of patent documents marked, "Secondary Standards of Frequency," for number 1543124; Copies of patent documents marked, "Paper Cone Loudspeaker," for number 1859892