Pro tip: Scroll through FOIA request logs from WHMO for fun digs.
Here's FY17, go wild
https://www.esd.whs.mil/Portals/54/Documents/FOID/Reading%20Room/FOIA_Log/FOIA%20Log-FY17.xlsx
found this patent in FY11 log, took me on a fun dig
https://patents.google.com/patent/US3951134A/en